17 (number)
Encyclopedia
17 is the natural number
Natural number
In mathematics, the natural numbers are the ordinary whole numbers used for counting and ordering . These purposes are related to the linguistic notions of cardinal and ordinal numbers, respectively...

 following 16
16 (number)
16 is the natural number following 15 and preceding 17. 16 is a composite number, and a square number, being 42 = 4 × 4. It is the smallest number with exactly five divisors, its proper divisors being , , and ....

 and preceding 18
18 (number)
18 is the natural number following 17 and preceding 19.In speech, the numbers 18 and 80 are sometimes confused. When carefully enunciated, they differ in which syllable is stressed: 18 vs 80 . However, in dates such as 1864, or when contrasting numbers in the teens, such as 17, 18, 19, the stress...

. It is prime
Prime number
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is called a composite number. For example 5 is prime, as only 1 and 5 divide it, whereas 6 is composite, since it has the divisors 2...

.

In spoken English, the numbers 17 and 70 are sometimes confused because they sound similar. When carefully enunciated, they differ in which syllable is stressed
Stress (linguistics)
In linguistics, stress is the relative emphasis that may be given to certain syllables in a word, or to certain words in a phrase or sentence. The term is also used for similar patterns of phonetic prominence inside syllables. The word accent is sometimes also used with this sense.The stress placed...

: 17 sɛvɨnˈtiːn vs 70 ˈsɛvɨnti. However, in dates such as 1789 or when contrasting numbers in the teens, such as 16, 17, 18, the stress shifts to the first syllable: 17 ˈsɛvɨntiːn.

The number 17 has wide significance in pure mathematics
Mathematics
Mathematics is the study of quantity, space, structure, and change. Mathematicians seek out patterns and formulate new conjectures. Mathematicians resolve the truth or falsity of conjectures by mathematical proofs, which are arguments sufficient to convince other mathematicians of their validity...

, as well as in applied sciences, law
Law
Law is a system of rules and guidelines which are enforced through social institutions to govern behavior, wherever possible. It shapes politics, economics and society in numerous ways and serves as a social mediator of relations between people. Contract law regulates everything from buying a bus...

, music
Music
Music is an art form whose medium is sound and silence. Its common elements are pitch , rhythm , dynamics, and the sonic qualities of timbre and texture...

, religion
Religion
Religion is a collection of cultural systems, belief systems, and worldviews that establishes symbols that relate humanity to spirituality and, sometimes, to moral values. Many religions have narratives, symbols, traditions and sacred histories that are intended to give meaning to life or to...

, sports, and other cultural phenomena
Popular culture
Popular culture is the totality of ideas, perspectives, attitudes, memes, images and other phenomena that are deemed preferred per an informal consensus within the mainstream of a given culture, especially Western culture of the early to mid 20th century and the emerging global mainstream of the...

.

In mathematics

Seventeen is the 7th prime number
Prime number
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is called a composite number. For example 5 is prime, as only 1 and 5 divide it, whereas 6 is composite, since it has the divisors 2...

. The next prime is nineteen, with which it forms a twin prime
Twin prime
A twin prime is a prime number that differs from another prime number by two. Except for the pair , this is the smallest possible difference between two primes. Some examples of twin prime pairs are , , , , and...

. 17 is the sum of the first four primes. 17 is the sixth Mersenne prime
Mersenne prime
In mathematics, a Mersenne number, named after Marin Mersenne , is a positive integer that is one less than a power of two: M_p=2^p-1.\,...

 exponent, yielding 131071. 17 is an Eisenstein prime
Eisenstein prime
In mathematics, an Eisenstein prime is an Eisenstein integerz = a + b\,\omega\qquadthat is irreducible in the ring-theoretic sense: its only Eisenstein divisors are the units , a + bω itself and its associates.The associates and the complex conjugate...

 with no imaginary part and real part of the form 3n − 1.

17 is the third Fermat prime, as it is of the form 24 + 1, and it is also a Proth prime. Since 17 is a Fermat prime, heptadecagon
Heptadecagon
In geometry, a heptadecagon is a seventeen-sided polygon.-Heptadecagon construction:The regular heptadecagon is a constructible polygon, as was shown by Carl Friedrich Gauss in 1796 at the age of 19....

s can be drawn with compass
Compass
A compass is a navigational instrument that shows directions in a frame of reference that is stationary relative to the surface of the earth. The frame of reference defines the four cardinal directions – north, south, east, and west. Intermediate directions are also defined...

 and ruler
Ruler
A ruler, sometimes called a rule or line gauge, is an instrument used in geometry, technical drawing, printing and engineering/building to measure distances and/or to rule straight lines...

. This was proven by Carl Friedrich Gauss
Carl Friedrich Gauss
Johann Carl Friedrich Gauss was a German mathematician and scientist who contributed significantly to many fields, including number theory, statistics, analysis, differential geometry, geodesy, geophysics, electrostatics, astronomy and optics.Sometimes referred to as the Princeps mathematicorum...

. Another consequence of 17 being a Fermat prime is that it is not a Higgs prime
Higgs prime
A Higgs prime is a prime number with a totient that evenly divides the square of the product of the smaller Higgs primes...

 for squares or cubes; in fact, it is the smallest prime not to be a Higgs prime for squares, and the smallest not to be a Higgs prime for cubes.

17 is the only positive Genocchi number that is prime, the only negative one being −3. It is also the third Stern prime
Stern prime
A Stern prime, named for Moritz Abraham Stern, is a prime number that is not the sum of a smaller prime and twice the square of a nonzero integer. Or, to put it algebraically, if for a prime q there is no smaller prime p and nonzero integer b such that q = p + 2b², then q is a...

.

As 17 is the least prime factor of the first twelve terms of the Euclid–Mullin sequence, it is the thirteenth term.

Seventeen is the aliquot sum of two numbers, the odd discrete semiprime
Semiprime
In mathematics, a semiprime is a natural number that is the product of two prime numbers. The first few semiprimes are 4, 6, 9, 10, 14, 15, 21, 22, 25, 26, ... ....

s 39
39
Year 39 was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Augustus and Corbulo...

 and 55
55
Year 55 was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Caesar and Vetus...

 is the base of the 17-aliquot tree.

There are exactly seventeen two-dimensional space (plane symmetry) groups
Group (mathematics)
In mathematics, a group is an algebraic structure consisting of a set together with an operation that combines any two of its elements to form a third element. To qualify as a group, the set and the operation must satisfy a few conditions called group axioms, namely closure, associativity, identity...

. These are sometimes called wallpaper group
Wallpaper group
A wallpaper group is a mathematical classification of a two-dimensional repetitive pattern, based on the symmetries in the pattern. Such patterns occur frequently in architecture and decorative art...

s, as they represent the seventeen possible symmetry types that can be used for wallpaper
Wallpaper
Wallpaper is a kind of material used to cover and decorate the interior walls of homes, offices, and other buildings; it is one aspect of interior decoration. It is usually sold in rolls and is put onto a wall using wallpaper paste...

.

Like 41
41 (number)
41 is the natural number following 40 and preceding 42.-In mathematics:Forty-one is the 13th smallest prime number. The next is forty-three, with which it comprises a twin prime...

, the number 17 is a prime that yields primes in the polynomial
Polynomial
In mathematics, a polynomial is an expression of finite length constructed from variables and constants, using only the operations of addition, subtraction, multiplication, and non-negative integer exponents...

 n2 + n + p, for all positive n < p − 1.

In the Irregularity of distributions
Irregularity of distributions
The irregularity of distributions problem, stated first by Hugo Steinhaus, is a numerical problem with a surprising result. The problem is to find N numbers, x_1,\ldots,x_N, all between 0 and 1, for which the following conditions hold:...

problem, consider a sequence of real number
Real number
In mathematics, a real number is a value that represents a quantity along a continuum, such as -5 , 4/3 , 8.6 , √2 and π...

s between 0 and 1 such that the first two lie in different halves of this interval
Interval (mathematics)
In mathematics, a interval is a set of real numbers with the property that any number that lies between two numbers in the set is also included in the set. For example, the set of all numbers satisfying is an interval which contains and , as well as all numbers between them...

, the first three in different thirds, and so forth. The maximum possible length of such a sequence is 17 (Berlekamp & Graham, 1970, example 63).

Either 16 or 18 unit square
Unit square
In mathematics, a unit square is a square whose sides have length 1. Often, "the" unit square refers specifically to the square in the Cartesian plane with corners at , , , and .-In the real plane:...

s can be formed into rectangles with perimeter equal to the area; and there are no other natural number
Natural number
In mathematics, the natural numbers are the ordinary whole numbers used for counting and ordering . These purposes are related to the linguistic notions of cardinal and ordinal numbers, respectively...

s with this property. The Platonists regarded this as a sign of their peculiar propriety; and Plutarch
Plutarch
Plutarch then named, on his becoming a Roman citizen, Lucius Mestrius Plutarchus , c. 46 – 120 AD, was a Greek historian, biographer, essayist, and Middle Platonist known primarily for his Parallel Lives and Moralia...

 notes it when writing that the Pythagoreans "utterly abominate" 17, which "bars them off from each other and disjoins them".

17 is the tenth Perrin number
Perrin number
In mathematics, the Perrin numbers are defined by the recurrence relationandThe sequence of Perrin numbers starts withThe number of different maximal independent sets in an n-vertex cycle graph is counted by the nth Perrin number.-History:...

, preceded in the sequence by 7, 10, 12.

In base 9, the smallest prime with a composite sum of digits is 17.

17 is known as the Feller number, after the famous mathematician William Feller
William Feller
William Feller born Vilibald Srećko Feller , was a Croatian-American mathematician specializing in probability theory.-Early life and education:...

 who taught at Princeton University
Princeton University
Princeton University is a private research university located in Princeton, New Jersey, United States. The school is one of the eight universities of the Ivy League, and is one of the nine Colonial Colleges founded before the American Revolution....

 for many years. Feller would say, when discussing an unsolved mathematical problem, that if it could be proved for the case n = 17 then it could be proved for all positive integers n. He would also say in lectures, "Let's try this for an arbitrary value of n, say n = 17."

Similar to Feller, Prof. Vadim Khayms of Stanford University is also known to use 17 as an arbitrary value during lectures. His Computational Mathematics for Engineers course includes 17 lectures.

17 is the least random number, according to the Hackers' Jargon File
Jargon File
The Jargon File is a glossary of computer programmer slang. The original Jargon File was a collection of terms from technical cultures such as the MIT AI Lab, the Stanford AI Lab and others of the old ARPANET AI/LISP/PDP-10 communities, including Bolt, Beranek and Newman, Carnegie Mellon...

.


It is a repunit prime
Repunit
In recreational mathematics, a repunit is a number like 11, 111, or 1111 that contains only the digit 1. The term stands for repeated unit and was coined in 1966 by Albert H. Beiler...

 in hexadecimal
Hexadecimal
In mathematics and computer science, hexadecimal is a positional numeral system with a radix, or base, of 16. It uses sixteen distinct symbols, most often the symbols 0–9 to represent values zero to nine, and A, B, C, D, E, F to represent values ten to fifteen...

 (11).

It is believed that the minimum possible number of givens for a sudoku
Sudoku
is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids that compose the grid contains all of the digits from 1 to 9...

 puzzle with a unique solution is 17, but this has yet to be proven.

There are 17 orthogonal curvilinear coordinate systems (to within a conformal symmetry) in which the 3-variable Laplace equation can be solved using the separation of variables
Separation of variables
In mathematics, separation of variables is any of several methods for solving ordinary and partial differential equations, in which algebra allows one to rewrite an equation so that each of two variables occurs on a different side of the equation....

 technique.

17 is the first number that can be written as the sum of a positive cube and a positive square in two different ways; that is, the smallest n such that x3 + y2 = n has two different solutions for x and y positive integers. The next such number is 65
65 (number)
65 is the natural number following 64 and preceding 66.-In mathematics:Sixty-five is the 23rd semiprime and the 3rd of the form it is an octagonal number. It is also a Cullen number...

.

In science

  • The atomic number
    Atomic number
    In chemistry and physics, the atomic number is the number of protons found in the nucleus of an atom and therefore identical to the charge number of the nucleus. It is conventionally represented by the symbol Z. The atomic number uniquely identifies a chemical element...

     of chlorine
    Chlorine
    Chlorine is the chemical element with atomic number 17 and symbol Cl. It is the second lightest halogen, found in the periodic table in group 17. The element forms diatomic molecules under standard conditions, called dichlorine...

    .
  • The Brodmann area
    Brodmann area
    A Brodmann area is a region of the cerebral cortex defined based on its cytoarchitectonics, or structure and organization of cells.-History:...

     defining the primary visual processing area
    Occipital lobe
    The occipital lobe is the visual processing center of the mammalian brain containing most of the anatomical region of the visual cortex. The primary visual cortex is Brodmann area 17, commonly called V1...

     of mammal
    Mammal
    Mammals are members of a class of air-breathing vertebrate animals characterised by the possession of endothermy, hair, three middle ear bones, and mammary glands functional in mothers with young...

    ian brains.
  • Group 17 of the periodic table
    Periodic table
    The periodic table of the chemical elements is a tabular display of the 118 known chemical elements organized by selected properties of their atomic structures. Elements are presented by increasing atomic number, the number of protons in an atom's atomic nucleus...

     is called the halogens.

Age 17

  • In the United Kingdom
    United Kingdom
    The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

    , the minimum driving age for a car or van.
  • In the United States
    United States
    The United States of America is a federal constitutional republic comprising fifty states and a federal district...

    , the age at which one may purchase M-rated video games according to ESRB
    Entertainment Software Rating Board
    The Entertainment Software Rating Board is a self-regulatory organization that assigns age and content ratings, enforces industry-adopted advertising guidelines, and ensures responsible online privacy principles for computer and video games as well as entertainment software in Canada, Mexico and...

     ratings.
  • Also in some of the states in the United States
    United States
    The United States of America is a federal constitutional republic comprising fifty states and a federal district...

     and many jurisdictions around the world, seventeen is the age of consent
    Age of consent
    While the phrase age of consent typically does not appear in legal statutes, when used in relation to sexual activity, the age of consent is the minimum age at which a person is considered to be legally competent to consent to sexual acts. The European Union calls it the legal age for sexual...

    .
  • In most states of the United States
    United States
    The United States of America is a federal constitutional republic comprising fifty states and a federal district...

     and in the United Kingdom
    United Kingdom
    The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

    , the age at which you may donate blood.
  • In many countries and regions, the age at which one may obtain a driver's license
    Driver's license
    A driver's license/licence , or driving licence is an official document which states that a person may operate a motorized vehicle, such as a motorcycle, car, truck or a bus, on a public roadway. Most U.S...

    .
  • In the United States
    United States
    The United States of America is a federal constitutional republic comprising fifty states and a federal district...

    , the age at which one may watch, rent or purchase R rated movies without parental consent according to the MPAA film rating system
    MPAA film rating system
    The Motion Picture Association of America's film-rating system is used in the U.S. and its territories to rate a film's thematic and content suitability for certain audiences. The MPAA system applies only to motion pictures that are submitted for rating. Other media may be rated by other entities...

    .
  • In the United States
    United States
    The United States of America is a federal constitutional republic comprising fifty states and a federal district...

    , the age at which one can enlist in the armed forces with parental permission.
  • At this age one can apply for a Private Pilot Licence (however the applicant can start training at 16
    16 (number)
    16 is the natural number following 15 and preceding 17. 16 is a composite number, and a square number, being 42 = 4 × 4. It is the smallest number with exactly five divisors, its proper divisors being , , and ....

    ).

Music

  • "Only 17" By Rucka Rucka Ali
  • "(She's) Sexy + 17" was a 1983 Top 10 hit for Stray Cats
    Stray Cats
    Stray Cats are an American Rockabilly band formed in 1980 by guitarist/vocalist Brian Setzer , upright bassist Lee Rocker and Slim Jim Phantom in the Long Island town of Massapequa, New York. The group had numerous hit singles in the UK, Australia and the U.S...

     from the album Rant N' Rave with the Stray Cats
    Rant N' Rave With The Stray Cats
    Rant 'N Rave with the Stray Cats is the third album from the rockabilly band Stray Cats, released in 1983 . The album features the #5 hit " Sexy + 17" and Top 40 hit "I Won't Stand in Your Way." The album was never released on CD in the U.S however it is still available through online stores.-Track...

    .
  • "At Seventeen
    At Seventeen
    "At Seventeen" is a song by Janis Ian, released in 1975 on Between the Lines and as a single. Ian's most successful recording, the song is a commentary on adolescent cruelty, the illusion of popularity, and teenage angst, as reflected upon from the maturity of adulthood...

    " was a 1975 hit by Janis Ian
    Janis Ian
    Janis Ian is an American songwriter, singer, musician, columnist, and science fiction author. Ian first entered the folk music scene while still a teenager in the mid-sixties; most active musically in that decade and the 1970s, she has continued recording into the 21st century...

    .
  • "17", a song recorded by Rick James
    Rick James
    James Ambrose Johnson, Jr. , better known by his stage name Rick James, was an American singer, songwriter, musician and record producer. James was a popular performer in the late 1970s and 1980s, scoring four number-one hits on the U.S. R&B charts performing in the genres of funk and R&B...

    , in the album Reflections
    Reflections (Rick James album)
    Reflections is a compilation of Rick James songs released in 1984. It also contains three until then unreleased tracks: "17", "Oh What a Night " and "You Turn Me On"...

    .
  • The ratio 18/17 was a popular approximation for the equal tempered semitone
    Semitone
    A semitone, also called a half step or a half tone, is the smallest musical interval commonly used in Western tonal music, and it is considered the most dissonant when sounded harmonically....

     during the Renaissance.
  • "Seventeen" was the original name of The Beatles
    The Beatles
    The Beatles were an English rock band, active throughout the 1960s and one of the most commercially successful and critically acclaimed acts in the history of popular music. Formed in Liverpool, by 1962 the group consisted of John Lennon , Paul McCartney , George Harrison and Ringo Starr...

     song "I Saw Her Standing There" which begins with the lyric "Well, she was just seventeen if you know what I mean."
  • "17", a B-Side by Shiina Ringo
    Shiina Ringo
    , known by her stage name , is a Japanese singer-songwriter, music composer and music producer. She is also the founder and lead vocalist of the band Tokyo Jihen.She describes herself as ""....

     on the "Tsumi to Batsu" single.
  • The title of the song "17" by the Smashing Pumpkins. It is 17 seconds long, with no vocals, but comes with a poem which read at a standard speed will finish at the end of the song. This song is also a musical allusion to another Smashing Pumpkins work called "Blissed and Gone" which references 17 in the lines 'Sweet 17, sour 29' and 'I had no cause, just 17 days of rain'.
  • "Seventeen", a song recorded by Winger.
  • "17
    17 (Yourcodenameis:Milo song)
    "17" is the third single from the Yourcodenameis:Milo album Ignoto. The digital release features two B-sides, whereas the CD release is a one-track edition. A video was released for "17" and was released on Polydor records.-Track listing:# "17" - 3:15...

    ", a song by yourcodenameis:milo
    Yourcodenameis:milo
    -External links:**...

    .
  • "Seventeen", a song by Ladytron
    Ladytron
    Ladytron are an English electronic band formed in 1999 in Liverpool, Merseyside. The group consists of Helen Marnie , Mira Aroyo , Daniel Hunt and Reuben Wu .Their sound blends electropop with New Wave and shoegazing elements. Ladytron described their sound as "electronic pop"...

    .
  • "Seventeen" by Jimmy Eat World
    Jimmy Eat World
    Jimmy Eat World is an American alternative rock band from Mesa, Arizona, that formed in 1993. The band is composed of lead vocalist and guitarist Jim Adkins, guitarist and backing vocalist Tom Linton, bassist Rick Burch and drummer Zach Lind....

    .
  • "Seventeen Ain't So Sweet" a song by The Red Jumpsuit Apparatus
    The Red Jumpsuit Apparatus
    The Red Jumpsuit Apparatus is an American rock band that formed in Middleburg, Florida.-Early years :Originating in Florida, childhood friends Ronnie Winter, Thomas Amason, and Duke Kitchens started the band while attending an AP music theory class, in 2003...

    .
  • "17" a song by Kings of Leon
    Kings of Leon
    Kings of Leon is an American rock band that originated in Albion, Oklahoma but formed in Nashville, Tennessee in 1999. The band is composed of brothers Anthony Caleb Followill , Ivan Nathan Followill and Michael Jared Followill Kings of Leon is an American rock band that originated in Albion,...

    .
  • "Edge of Seventeen
    Edge of Seventeen (song)
    "Edge of Seventeen " is a song written and recorded by American singer Stevie Nicks, the third single from her successful 1981 solo debut album Bella Donna...

    ", a song from the 1981 album Bella Donna
    Bella Donna (album)
    -The Band:* Stevie Nicks – vocals* Lori Perry – backup vocals* Sharon Celani – backup vocals*Tom Petty – vocals, guitar *Michael Campbell – guitar *Don Felder – guitar *Benmont Tench – organ, piano...

    by Stevie Nicks
    Stevie Nicks
    Stephanie Lynn "Stevie" Nicks is an American singer-songwriter, best known for her work with Fleetwood Mac and an extensive solo career, which collectively have produced over forty Top 50 hits and sold over 140 million albums...

    .
  • "17" by Milburn
    Milburn (band)
    Milburn was an indie rock band from Sheffield, England that consisted of Joe Carnall, Louis Carnall, Tom Rowley, and Joe Green. They announced they would split on 28 March 2008, with the band playing their final gig at Sheffield's Carling Academy on 24 May 2008.-Formation:Milburn's formation came...

    .
  • 17 Hippies
    17 Hippies
    17 Hippies is a band from Berlin, Germany, playing largely on acoustic instruments. Their music is a confection of various folk influences. They are most popular in their native Germany and France.-History:...

    , German band.
  • "Seventeen Forever
    Seventeen Forever
    "Seventeen Forever" is the fourth single from scene pop group Metro Station's self-titled debut album. The single was released on December 13, 2008, and has charted on three major Billboard charts....

    " a song by Metro Station (band)
    Metro Station (band)
    Metro Station is an American pop rock band that formed in Los Angeles by Mason Musso and Trace Cyrus. In late 2006, the band signed a recording contract with Columbia/Red Ink. They are best known for their Top 10 Billboard hit single "Shake It" from their self-titled debut album...

    .
  • Seventeen Days
    Seventeen Days
    Seventeen Days is the third studio album by American rock group 3 Doors Down, released on February 8, 2005, five years to the day that 3 Doors Down released their debut album, The Better Life....

    , 3rd studio album from American rock band 3 Doors Down
    3 Doors Down
    3 Doors Down is an American rock band from Escatawpa formed in 1996. The band consists of Brad Arnold , Matt Roberts , Todd Harrell , Chris Henderson , and Greg Upchurch ....

    .
  • "Seventeen" is the sixth song on the album Give Me a Wall
    Give Me A Wall
    Give Me a Wall is the debut album from ¡Forward, Russia!, and was released in the UK on the 15th May 2006 and in the US on the 19th December 2006. Tracks on the album include previous singles "Twelve", "Nine" and "Thirteen". The album was released through the band's own label, "dance to the radio"...

    by ¡Forward, Russia!
    ¡Forward, Russia!
    ¡Forward, Russia! were an English alternative band from Leeds, formed in early 2004, though are currently on hiatus. Until 2006, the band only named tracks with numbers, in the order that they were written...

    .
  • "Hello, Seventeen" by 12012.
  • "17 Again" is a song by Eurythmics
    Eurythmics
    Eurythmics were a British pop rock duo, formed in 1980, currently disbanded, but known to reunite from time to time. Consisting of members Annie Lennox and David A...

     as featured on their 1999 album Peace.
  • Seventeen Seconds
    Seventeen Seconds
    Seventeen Seconds is the second studio album by The Cure, released in April 1980 by Fiction Records. It is the only Cure album to feature keyboardist Matthieu Hartley, and was featured in the book 1001 Albums You Must Hear Before You Die. The album reached number 20 on the British album charts...

    is the second studio album by The Cure
    The Cure
    The Cure are an English rock band formed in Crawley, West Sussex in 1976. The band has experienced several line-up changes, with frontman, vocalist, guitarist and principal songwriter Robert Smith being the only constant member...

    , released in April 1980 by Fiction Records
    Fiction Records
    Fiction Records is a UK label founded by Chris Parry in 1978 that is best known for being the home of The Cure for over 20 years. Formerly independent, the label is now owned by Polydor, a subsidiary of Universal Music Group.-History:...

    .
  • "17 Days" was a song recorded by Prince
    Prince (musician)
    Prince Rogers Nelson , often known simply as Prince, is an American singer, songwriter, musician, and actor. Prince has produced ten platinum albums and thirty Top 40 singles during his career. Prince founded his own recording studio and label; writing, self-producing and playing most, or all, of...

    .
  • "Seventeen" is the fifth song on the album Shaka Rock
    Shaka Rock
    Shaka Rock is the third studio album by Australian rock band Jet, released on 21 August 2009.-History:The band began working on the album in 2008. After touring was completed for their previous album, Shine On, the band took a short break...

    by the Australian rock band Jet
    Jet (band)
    Jet are an Australian rock band formed in 2001 while attending St Bede's College Mentone in Melbourne, . The band consists of lead guitarist Cameron Muncey, bassist Mark Wilson, and brothers Nic and Chris Cester on vocals/rhythm guitar and drums respectively...

    .
  • "Seventeen" is the 22nd musical number on the Repo! soundtrack.
  • "17" is a song by Moldovan singer Dan Bălan
    Dan Balan
    Dan Mihai Bălan is a Moldavian singer, songwriter, and producer. He was born to Mihai Bălan and Ludmila Bălan, a TV presenter. Dan Bălan has performed eurodance and commercially pop music...

  • "17 år" (17 years) is a song by Swedish singer Veronica Maggio
    Veronica Maggio
    Veronica Sandra Karin Maggio is a Swedish singer of Swedish and Italian origin. She won the category "Årets nykomling" in the Grammisgalan 2007....

     on her 2008 sohopmore album "Och vinnaren är..." (And the winner is...).
  • A song by American singer Sky Ferreira
    Sky Ferreira
    Sky Ferreira , is an American model, singer, songwriter, and actress. On March 22, 2011, Ferreira released her first digital extended play, As If!.-Early life:...

    .
  • "Only Seventeen", a song by Skid Row.
  • "When I Was Seventeen", a song by Frank Sinatra
    Frank Sinatra
    Francis Albert "Frank" Sinatra was an American singer and actor.Beginning his musical career in the swing era with Harry James and Tommy Dorsey, Sinatra became an unprecedentedly successful solo artist in the early to mid-1940s, after being signed to Columbia Records in 1943. Being the idol of the...

  • "Seventeen", the twelfth track on the US edition of the album "The Family Jewels" by Marina & the Diamonds
    Marina & the Diamonds
    Marina Lambrini Diamandis , better known by her stage name Marina and the Diamonds , is a Welsh singer-songwriter. She rose to fame after reaching number two on the BBC Sound of 2010 poll list, coming second to Ellie Goulding...

    .

Film

  • Number Seventeen (1932), directed by Alfred Hitchcock
    Alfred Hitchcock
    Sir Alfred Joseph Hitchcock, KBE was a British film director and producer. He pioneered many techniques in the suspense and psychological thriller genres. After a successful career in British cinema in both silent films and early talkies, Hitchcock moved to Hollywood...

  • Stalag 17
    Stalag 17
    Stalag 17 is a 1953 war film which tells the story of a group of American airmen held in a German World War II prisoner of war camp, who come to suspect that one of their number is a traitor...

    (1953), directed by Billy Wilder
    Billy Wilder
    Billy Wilder was an Austro-Hungarian born American filmmaker, screenwriter, producer, artist, and journalist, whose career spanned more than 50 years and 60 films. He is regarded as one of the most brilliant and versatile filmmakers of Hollywood's golden age...

  • Try Seventeen
    All I Want (film)
    All I Want is a 2002 coming-of-age dramedy film, directed by Jeffrey Porter and written by Charles Kephart. It stars Elijah Wood, Franka Potente, and Mandy Moore...

    (2002), directed by Jeffrey Porter
  • In 2004, Volatile Films released a feature length film titled The Significance of Seventeen starring Cindy Taylor
    Cindy Taylor
    Cindy Taylor is a fashion model, actress and television host. Born in Asunción, Paraguay to a Paraguayan mother, her father was a United States citizen, having relocated the family to Clarksburg, West Virginia immediately after Taylor was born...

    ; one theme addressed by the film is the high incidence of the number 17 and its function as 'the most random number' as described by MIT.
  • In the film Three Days of the Condor
    Three Days of the Condor
    Three Days of the Condor is a 1975 American action thriller film produced by Stanley Schneider and directed by Sydney Pollack. The screenplay, by Lorenzo Semple Jr...

    , the title character played by Robert Redford
    Robert Redford
    Charles Robert Redford, Jr. , better known as Robert Redford, is an American actor, film director, producer, businessman, environmentalist, philanthropist, and founder of the Sundance Film Festival. He has received two Oscars: one in 1981 for directing Ordinary People, and one for Lifetime...

     works in section 17 of the CIA.
  • In Halloween H20, Laurie Strode
    Laurie Strode
    Laurie Strode is a fictional character in the Halloween horror film series, portrayed by actresses Jamie Lee Curtis and Scout Taylor-Compton. She appears in six of the present ten Halloween installments, first appearing in John Carpenter's original 1978 film...

     also known as Keri Tate, reveals her true identity to her boyfriend, Will. She tells him that she is related to Michael Myers
    Michael Myers
    Michael Myers may refer to:*Michael Myers , sixth Chief Justice of the Supreme Court of New Zealand*Michael Myers , New York politician...

     and mistakenly says that her older sister, Judith Myers, died at the age of 17 years. However, in Halloween
    Halloween
    Hallowe'en , also known as Halloween or All Hallows' Eve, is a yearly holiday observed around the world on October 31, the night before All Saints' Day...

     (1978), the dates on Judith's tombstone read November 10, 1947 - October 31, 1963. That would have meant that Judith was 15 years old at the time of her death. However, it is probable that the script writers wrote Judith's age as 17 so that it would correspond with Laurie Strodes age from the original film.

Anime and manga

  • Android 17, a character from the Dragon Ball
    Dragon Ball
    is a Japanese manga series written and illustrated by Akira Toriyama. It was originally serialized in Weekly Shōnen Jump from 1984 to 1995; later the 519 individual chapters were published into 42 tankōbon volumes by Shueisha. Dragon Ball was inspired by the classical Chinese novel Journey to the...

     series.
  • Detective Konawaka from the Paprika anime has a strong dislike for the number 17.

Print

  • The title of Seventeen
    Seventeen (magazine)
    Seventeen is an American magazine for teenagers. It was first published in September 1944 by Walter Annenberg's Triangle Publications. News Corporation bought Triangle in 1988, and sold Seventeen to K-III Communications in 1991. Primedia sold the magazine to Hearst in 2003. It is still in the...

    , a magazine.
  • The title of Just Seventeen
    Just Seventeen
    Just Seventeen, often referred to as J-17, was a weekly magazine aimed at teenage girls, published by Emap from October 1983 to April 2004. It quickly became the market leading teen magazine until the launch of Sugar in 1994, after which sales began to fall...

    , a former magazine.
  • The number 17 is a recurring theme in the works of novelist Steven Brust
    Steven Brust
    Steven Karl Zoltán Brust is an American fantasy and science fiction author of Hungarian descent. He was a member of the writers' group The Scribblies, which included Emma Bull, Pamela Dean, Will Shetterly, Nate Bucklin, Kara Dalkey, and Patricia Wrede; he also belongs to the Pre-Joycean...

    . All of his chaptered novels have either 17 chapters or two books of 17 chapters each. Multiples of 17 frequently appear in his novels set in the fantasy world of Dragaera
    Dragaera
    Dragaera is the fictional world in which a series of novels by Steven Brust is set. The word "Dragaera" can refer to the planet, the Dragaeran Empire, or its former capital, Dragaera City.-Species:...

    , where the number is considered holy.
  • In The Illuminatus! Trilogy
    The Illuminatus! Trilogy
    The Illuminatus! Trilogy is a series of three novels written by Robert Shea and Robert Anton Wilson first published in 1975. The trilogy is a satirical, postmodern, science fiction-influenced adventure story; a drug-, sex-, and magick-laden trek through a number of conspiracy theories, both...

    , the symbol for Discordianism
    Discordianism
    Discordianism is a religion based on the worship of Eris , the Greco-Roman goddess of strife. It was founded circa 1958–1959 after the publication of its holy book the Principia Discordia, written by Malaclypse the Younger and Omar Khayyam Ravenhurst after a series of shared hallucinations at a...

     includes a pyramid with 17 steps because 17 has "virtually no interesting geometric, arithmetic, or mystical qualities". However, for the Illuminati
    Illuminati
    The Illuminati is a name given to several groups, both real and fictitious. Historically the name refers to the Bavarian Illuminati, an Enlightenment-era secret society founded on May 1, 1776...

    , 17 is tied with the "23/17 phenomenon
    23 (numerology)
    The 23 enigma refers to the belief that most incidents and events are directly connected to the number 23, some modification of the number 23, or a number related to the number 23.-Origins:...

    ".
  • In the Harry Potter universe
    Harry Potter universe
    The fictional universe of J. K. Rowling's Harry Potter series of fantasy novels comprises two separate and distinct societies: the wizarding world and the Muggle world...

    • 17 is the coming of age for wizards. It is equivalent to the usual coming of age at 18.
    • 17 is the number of Sickles in one Galleon in the British wizards' currency

Religion

  • According to Leon Kass
    Leon Kass
    Leon Richard Kass is an American physician, scientist, educator, and public intellectual, best known as proponent of liberal education via the "Great Books," as an opponent of human cloning and euthanasia, as a critic of certain areas of technological progress and embryo research, and for his...

    , 17 has some significant meaning (as yet not known exactly) in the book of Genesis.
  • In the Yasna
    Yasna
    Yasna is the name of the primary liturgical collection of texts of the Avesta as well as the name of the principal Zoroastrian act of worship at which those verses are recited. The Yasna, or Izeshne, is primarily the name of the ceremony in which the entire book is recited and appropriate...

     of Zoroastrianism
    Zoroastrianism
    Zoroastrianism is a religion and philosophy based on the teachings of prophet Zoroaster and was formerly among the world's largest religions. It was probably founded some time before the 6th century BCE in Greater Iran.In Zoroastrianism, the Creator Ahura Mazda is all good, and no evil...

     seventeen chapters were written by Zoroaster
    Zoroaster
    Zoroaster , also known as Zarathustra , was a prophet and the founder of Zoroastrianism who was either born in North Western or Eastern Iran. He is credited with the authorship of the Yasna Haptanghaiti as well as the Gathas, hymns which are at the liturgical core of Zoroastrianism...

     himself, these are the Gathas
    Gathas
    The Gathas are 17 hymns believed to have been composed by Zarathusthra himself. They are the most sacred texts of the Zoroastrian faith.-Structure and organization:...

    .
  • The number of the raka'ah
    Raka'ah
    Rakaʿah are the prescribed movements and words followed by Muslims during salah .After turning to God in mind and ritual cleansing , the worshipper will stand quietly while reciting the first verses of the Qur'an. The second part of the rak'ah involves bowing low with hands on knees, as if...

    s that Muslims perform during Salah on a daily basis.
  • The number of sura
    Sura
    A sura is a division of the Qur'an, often referred to as a chapter. The term chapter is sometimes avoided, as the suras are of unequal length; the shortest sura has only three ayat while the longest contains 286 ayat...

    t al-Isra
    Al-Isra
    Sura Al-Isra , also called Sura Bani Isra'il , is the 17th chapter of the Qur'an, with 111 verses.-Content:...

     in the Qur'an
    Qur'an
    The Quran , also transliterated Qur'an, Koran, Alcoran, Qur’ān, Coran, Kuran, and al-Qur’ān, is the central religious text of Islam, which Muslims consider the verbatim word of God . It is regarded widely as the finest piece of literature in the Arabic language...

    .

In sports

  • The most famous Ford number in the V8 Supercar
    V8 Supercar
    V8 Supercars is a touring car racing category based in Australia and run as an International Series under Fédération Internationale de l'Automobile regulations...

     championship, Driven by Dick Johnson
    Dick Johnson (Australian auto racing)
    Dick Johnson is the owner of the V8 Supercar team Dick Johnson Racing and a former racing driver. As a driver, he was a five-time Australian Touring Car Champion and a three-time winner of the Bathurst 1000...

     to bring 5 Australian Touring Car Championship
    Australian Touring Car Championship
    The Australian Touring Car Championship is a touring car racing award held in Australia since 1960. The series itself is no longer contested, but the title lives on, with the winner of the V8 Supercar Championship Series awarded the trophy and title of Australian Touring Car Champion.-History:The...

    s to his name. Now driven by son Steven Johnson
    Steven Johnson (motor racing)
    Steven Johnson is an Australian V8 Supercar racing driver. He is the son of former racer and now team-owner Dick Johnson. He has competed full-time for Dick Johnson Racing since 2000...

    .
  • NASCAR
    NASCAR
    The National Association for Stock Car Auto Racing is a family-owned and -operated business venture that sanctions and governs multiple auto racing sports events. It was founded by Bill France Sr. in 1947–48. As of 2009, the CEO for the company is Brian France, grandson of the late Bill France Sr...

     driver Matt Kenseth
    Matt Kenseth
    Matthew Roy "Matt" Kenseth is an American stock car driver. Kenseth currently drives the No. 17 Crown Royal Ford Fusion in the NASCAR Sprint Cup Series for Roush Fenway Racing...

    's car number.
  • The retired jersey number of former baseball pitcher Dizzy Dean
    Dizzy Dean
    Jay Hanna "Dizzy" Dean was an American Major League Baseball pitcher. He was the last National League pitcher to win 30 games in one season. Dean was elected to the Baseball Hall of Fame in 1953....

    .
  • The number that footballer Marc-Vivien Foé
    Marc-Vivien Foé
    Marc-Vivien Foé was a Cameroonian international footballer, who played in midfield for both club and country. With success in the French League, and stints in the English Premier League, his sudden death, while in the middle of an international competitive fixture, came as a shock to the worldwide...

     wore for the French
    Ligue 1
    Ligue 1 , is the French professional league for association football clubs. It is the country's primary football competition and serves as the top division of the French football league system. Ligue 1 is one of two divisions making up the Ligue de Football Professionnel, the other being Ligue 2....

     clubs Lens
    RC Lens
    Racing Club de Lens is a French association football club based in the northern city of Lens in the Pas-de-Calais department. Its nickname, sang et or , comes from its traditional colours of red and gold. Their primary rivals are their northern neighbors Lille OSC, whom they contest the Derby du...

     and Lyon
    Olympique Lyonnais
    Olympique Lyonnais is a French association football club based in Lyon. They play in France's highest football division, Ligue 1. The club was formed as Lyon Olympique Universitaire in 1899, according to many supporters and sport historians, but was nationally established as a club in 1950. The...

    , retired by both clubs after his death from heart failure during a semifinal match in the 2003 FIFA Confederations Cup
    2003 FIFA Confederations Cup
    The 2003 FIFA Confederations Cup football tournament was the sixth FIFA Confederations Cup, held in France in June 2003. France retained the title they had won in 2001, but the tournament was overshadowed by the death of Cameroon player Marc-Vivien Foé, who died of heart failure in his side's...

    . Foé also wore the 17 shirt for the Cameroon national team
    Cameroon national football team
    The Cameroon national football team, nicknamed Les Lions Indomptables , is controlled by the Fédération Camerounaise de Football and is Africa's most successful side in FIFA world cup; having qualified for the FIFA World Cup six times – in 1982, 1990, 1994, 1998, 2002 and 2010– more than any...

     at the time of his death.
  • In AFL (Australian Football League
    Australian Football League
    The Australian Football League is both the governing body and the major professional competition in the sport of Australian rules football...

    ), the captain of the Richmond Tigers wears the number 17 since Jack Dyer
    Jack Dyer
    John Raymond Dyer Sr. OAM , always known as Jack Dyer, was one of the colossal figures of Australian rules football during two distinct careers, firstly as a player and coach of the Richmond Football Club in the Victorian Football League between 1931 and 1952, and later in the broadcast media for...

     wore it between 1931 and 1952.
  • The number of Cretin-Derham Hall star quarterback Conor Rhoda, or as his fans call him, Choda. #ROE

In other fields

Seventeen is:
  • Described at MIT as 'the least random number', according to hackers' lore
    Jargon File
    The Jargon File is a glossary of computer programmer slang. The original Jargon File was a collection of terms from technical cultures such as the MIT AI Lab, the Stanford AI Lab and others of the old ARPANET AI/LISP/PDP-10 communities, including Bolt, Beranek and Newman, Carnegie Mellon...

    . This is supposedly because in a study where respondents were asked to choose a random number from 1 to 20, 17 was the most common choice.
    • This study has been repeated a number of times.
  • The number of guns in a 17-gun salute
    Salute
    A salute is a gesture or other action used to display respect. Salutes are primarily associated with armed forces, but other organizations and civil people also use salutes.-Military salutes:...

     to U.S. Army, Air Force and Marine Corps Generals, and Navy and Coast Guard Admirals.
  • The number of flames emanating from the grenade cap-badge of the Grenadier Guards
    Grenadier Guards
    The Grenadier Guards is an infantry regiment of the British Army. It is the most senior regiment of the Guards Division and, as such, is the most senior regiment of infantry. It is not, however, the most senior regiment of the Army, this position being attributed to the Life Guards...

    .
  • During the Second World War, the four-engined heavy bomber as flown by the USAAF and other Allies and known as "The Flying Fortress", was also known as the B-17.
  • The maximum number of strokes of a Chinese radical
    Radical (Chinese character)
    A Chinese radical is a component of a Chinese character. The term may variously refer to the original semantic element of a character, or to any semantic element, or, loosely, to any element whatever its origin or purpose...

    .
  • The number of syllables in a haiku
    Haiku
    ' , plural haiku, is a very short form of Japanese poetry typically characterised by three qualities:* The essence of haiku is "cutting"...

     (5+7+5).
  • In the Nordic countries
    Nordic countries
    The Nordic countries make up a region in Northern Europe and the North Atlantic which consists of Denmark, Finland, Iceland, Norway and Sweden and their associated territories, the Faroe Islands, Greenland and Åland...

     the seventeenth day of the year is considered the heart and/or the back of winter
    Winter
    Winter is the coldest season of the year in temperate climates, between autumn and spring. At the winter solstice, the days are shortest and the nights are longest, with days lengthening as the season progresses after the solstice.-Meteorology:...

    .
  • "Highway 17" or "Route 17": See List of highways numbered 17 and List of public transport routes numbered 17.
  • Seventeen, also known as Lock Seventeen, an unincorporated place in Clay Township, Tuscarawas County, Ohio
    Clay Township, Tuscarawas County, Ohio
    Clay Township is one of the twenty-two townships of Tuscarawas County, Ohio, United States. The 2000 census found 1,981 people in the township, 721 of whom lived in the unincorporated portions of the township.-Geography:...

    .
  • Seventeen was the former name of a yacht prior to being commissioned in the US Navy as the USS Carnelian (PY-19)
    USS Carnelian (PY-19)
    USS Carnelian was a converted yacht that patrolled with the United States Navy in World War II. She was named for carnelian ....

    .
  • In Italian culture, the number 17 is considered unlucky. When viewed as the Roman numeral, XVII, it is then changed anagrammatically to VIXI, which in the Latin language it translates to "I have lived", the perfect implying "My life is over." (c.f. "Vixerunt", Cicero
    Cicero
    Marcus Tullius Cicero , was a Roman philosopher, statesman, lawyer, political theorist, and Roman constitutionalist. He came from a wealthy municipal family of the equestrian order, and is widely considered one of Rome's greatest orators and prose stylists.He introduced the Romans to the chief...

    's famous announcement of an execution.) Renault
    Renault
    Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

     sold its "R17
    Renault 15/17
    The Renault 15 and Renault 17 are two variations of the same coupé designed and built by French automaker Renault between 1971 and 1980. The R17 was sold as R177 in Italy, respecting a superstition....

    " model in Italy as "R177." See Cesana Pariol
    Cesana Pariol
    Cesana Pariol was the venue for bobsled, luge and skeleton during the 2006 Winter Olympics in Turin, Italy. The track, built for the games, is located in Cesana...

     in the sport section about the name of curve 17.
  • The fear of the number 17 is called 'heptadecaphobia' or 'heptakaidekaphobia'.
  • Some species of cicada
    Cicada
    A cicada is an insect of the order Hemiptera, suborder Auchenorrhyncha , in the superfamily Cicadoidea, with large eyes wide apart on the head and usually transparent, well-veined wings. There are about 2,500 species of cicada around the world, and many of them remain unclassified...

    s have a life cycle of 17 years (i.e. they are buried in the ground for 17 years between every mating season).
  • The number of special significance to Yellow Pig's Day and Hampshire College Summer Studies in Mathematics
    Hampshire College Summer Studies in Mathematics
    The Hampshire College Summer Studies in Mathematics is a residential program for mathematically talented high school students. The program has been conducted each summer since 1971, with the exceptions of 1981 and 1996, and has more than 1500 alumni....

    .
  • The number to call Police
    Police
    The police is a personification of the state designated to put in practice the enforced law, protect property and reduce civil disorder in civilian matters. Their powers include the legitimized use of force...

     in France
    France
    The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

    .
  • Force 17
    Force 17
    Force 17 was a commando and special operations terror unit of the Palestinian Fatah movement and later of the Office of the Chairman of the Palestinian Authority. It was formed in the early 1970s by Ali Hassan Salameh ....

    , a special operations unit of the Palestinian Fatah movement.
  • The number of the French department Charente-Maritime
    Charente-Maritime
    Charente-Maritime is a department on the west coast of France named after the Charente River.- History :Previously a part of Saintonge, Charente-Inférieure was one of the 83 original departments created during the French Revolution on 4 March 1790...

  • A slang term in the medical field for a psychiatric patient

External links

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