Enclosed alphanumeric - AbsoluteAstronomy.com

An enclosed alphanumeric or circled alphanumeric (for example) is a typographical symbol

Typography

Typography is the art and technique of arranging type in order to make language visible. The arrangement of type involves the selection of typefaces, point size, line length, leading , adjusting the spaces between groups of letters and adjusting the space between pairs of letters...

of an alphanumeric

Alphanumeric

Alphanumeric is a combination of alphabetic and numeric characters, and is used to describe the collection of Latin letters and Arabic digits or a text constructed from this collection. There are either 36 or 62 alphanumeric characters. The alphanumeric character set consists of the numbers 0 to...

within a circle

Circle

A circle is a simple shape of Euclidean geometry consisting of those points in a plane that are a given distance from a given point, the centre. The distance between any of the points and the centre is called the radius....

. The meaning of "enclosed" may also be extended to "bracketed", like in ⒣, and other not-closed enclosures.

In Unicode there are two blocks for these characters:

Enclosed Alphanumerics (U+2460—U+24FF), encoded in the Basic Multilingual Plane
Enclosed Alphanumeric Supplement
Enclosed Alphanumeric Supplement
The Enclosed Alphanumeric Supplement is a Unicode block consisting mostly of Latin alphabet characters enclosed in circles, ovals or boxes, used for a variety of purposes. It is encoded in the range U+1F100 - U+1F1FF in the Supplementary Multilingual Plane....

(U+1F100—U+1F1FF), encoded in the Supplementary Multilingual Plane.

As of Unicode 6.0, the Enclosed Alphanumeric Supplement block also contains the set of Regional Indicator Symbol

Regional Indicator Symbol

The Regional Indicator Symbols are a set of 26 alphabetic characters in the Universal Character Set intended to be used to encode ISO 3166-1 alpha-2 two-letter country codes in a way that allows optional special treatment....

Unicode encodings

U+2460	①	②	③	④	⑤	⑥	⑦	⑧	⑨	⑩	⑪	⑫	⑬	⑭	⑮	⑯
U+2470	⑰	⑱	⑲	⑳	⑴	⑵	⑶	⑷	⑸	⑹	⑺	⑻	⑼	⑽	⑾	⑿
U+2480	⒀	⒁	⒂	⒃	⒄	⒅	⒆	⒇	⒈	⒉	⒊	⒋	⒌	⒍	⒎	⒏
U+2490	⒐	⒑	⒒	⒓	⒔	⒕	⒖	⒗	⒘	⒙	⒚	⒛	⒜	⒝	⒞	⒟
U+24A0	⒠	⒡	⒢	⒣	⒤	⒥	⒦	⒧	⒨	⒩	⒪	⒫	⒬	⒭	⒮	⒯
U+24B0	⒰	⒱	⒲	⒳	⒴	⒵	Ⓐ	Ⓑ	Ⓒ	Ⓓ	Ⓔ	Ⓕ	Ⓖ	Ⓗ	Ⓘ	Ⓙ
U+24C0	Ⓚ	Ⓛ	Ⓜ	Ⓝ	Ⓞ	Ⓟ	Ⓠ	Ⓡ	Ⓢ	Ⓣ	Ⓤ	Ⓥ	Ⓦ	Ⓧ	Ⓨ	Ⓩ
U+24D0	ⓐ	ⓑ	ⓒ	ⓓ	ⓔ	ⓕ	ⓖ	ⓗ	ⓘ	ⓙ	ⓚ	ⓛ	ⓜ	ⓝ	ⓞ	ⓟ
U+24E0	ⓠ	ⓡ	ⓢ	ⓣ	ⓤ	ⓥ	ⓦ	ⓧ	ⓨ	ⓩ	⓪	⓫	⓬	⓭	⓮	⓯
U+24F0	⓰	⓱	⓲	⓳	⓴	⓵	⓶	⓷	⓸	⓹	⓺	⓻	⓼	⓽	⓾	⓿

UTF-8 (hexadecimal) encoding and Unicode names

character	value	UTF-8 encoding	Unicode character name	Unicode 1.0 character name (deprecated)
①	1	e2 91 a0	CIRCLED DIGIT ONE
②	2	e2 91 a1	CIRCLED DIGIT TWO
③	3	e2 91 a2	CIRCLED DIGIT THREE
④	4	e2 91 a3	CIRCLED DIGIT FOUR
⑤	5	e2 91 a4	CIRCLED DIGIT FIVE
⑥	6	e2 91 a5	CIRCLED DIGIT SIX
⑦	7	e2 91 a6	CIRCLED DIGIT SEVEN
⑧	8	e2 91 a7	CIRCLED DIGIT EIGHT
⑨	9	e2 91 a8	CIRCLED DIGIT NINE
⑩	10	e2 91 a9	CIRCLED NUMBER TEN
⑪	11	e2 91 aa	CIRCLED NUMBER ELEVEN
⑫	12	e2 91 ab	CIRCLED NUMBER TWELVE
⑬	13	e2 91 ac	CIRCLED NUMBER THIRTEEN
⑭	14	e2 91 ad	CIRCLED NUMBER FOURTEEN
⑮	15	e2 91 ae	CIRCLED NUMBER FIFTEEN
⑯	16	e2 91 af	CIRCLED NUMBER SIXTEEN
⑰	17	e2 91 b0	CIRCLED NUMBER SEVENTEEN
⑱	18	e2 91 b1	CIRCLED NUMBER EIGHTEEN
⑲	19	e2 91 b2	CIRCLED NUMBER NINETEEN
⑳	20	e2 91 b3	CIRCLED NUMBER TWENTY
Ⓐ	A	e2 92 b6	CIRCLED LATIN CAPITAL LETTER A
Ⓑ	B	e2 92 b7	CIRCLED LATIN CAPITAL LETTER B
Ⓒ	C	e2 92 b8	CIRCLED LATIN CAPITAL LETTER C
Ⓓ	D	e2 92 b9	CIRCLED LATIN CAPITAL LETTER D
Ⓔ	E	e2 92 ba	CIRCLED LATIN CAPITAL LETTER E
Ⓕ	F	e2 92 bb	CIRCLED LATIN CAPITAL LETTER F
Ⓖ	G	e2 92 bc	CIRCLED LATIN CAPITAL LETTER G
Ⓗ	H	e2 92 bd	CIRCLED LATIN CAPITAL LETTER H
Ⓘ	I	e2 92 be	CIRCLED LATIN CAPITAL LETTER I
Ⓙ	J	e2 92 bf	CIRCLED LATIN CAPITAL LETTER J
Ⓚ	K	e2 93 80	CIRCLED LATIN CAPITAL LETTER K
Ⓛ	L	e2 93 81	CIRCLED LATIN CAPITAL LETTER L
Ⓜ	M	e2 93 82	CIRCLED LATIN CAPITAL LETTER M
Ⓝ	N	e2 93 83	CIRCLED LATIN CAPITAL LETTER N
Ⓞ	O	e2 93 84	CIRCLED LATIN CAPITAL LETTER O
Ⓟ	P	e2 93 85	CIRCLED LATIN CAPITAL LETTER P
Ⓠ	Q	e2 93 86	CIRCLED LATIN CAPITAL LETTER Q
Ⓡ	R	e2 93 87	CIRCLED LATIN CAPITAL LETTER R
Ⓢ	S	e2 93 88	CIRCLED LATIN CAPITAL LETTER S
Ⓣ	T	e2 93 89	CIRCLED LATIN CAPITAL LETTER T
Ⓤ	U	e2 93 8a	CIRCLED LATIN CAPITAL LETTER U
Ⓥ	V	e2 93 8b	CIRCLED LATIN CAPITAL LETTER V
Ⓦ	W	e2 93 8c	CIRCLED LATIN CAPITAL LETTER W
Ⓧ	X	e2 93 8d	CIRCLED LATIN CAPITAL LETTER X
Ⓨ	Y	e2 93 8e	CIRCLED LATIN CAPITAL LETTER Y
Ⓩ	Z	e2 93 8f	CIRCLED LATIN CAPITAL LETTER Z
ⓐ	a	e2 93 90	CIRCLED LATIN SMALL LETTER A
ⓑ	b	e2 93 91	CIRCLED LATIN SMALL LETTER B
ⓒ	c	e2 93 92	CIRCLED LATIN SMALL LETTER C
ⓓ	d	e2 93 93	CIRCLED LATIN SMALL LETTER D
ⓔ	e	e2 93 94	CIRCLED LATIN SMALL LETTER E
ⓕ	f	e2 93 95	CIRCLED LATIN SMALL LETTER F
ⓖ	g	e2 93 96	CIRCLED LATIN SMALL LETTER G
ⓗ	h	e2 93 97	CIRCLED LATIN SMALL LETTER H
ⓘ	i	e2 93 98	CIRCLED LATIN SMALL LETTER I
ⓙ	j	e2 93 99	CIRCLED LATIN SMALL LETTER J
ⓚ	k	e2 93 9a	CIRCLED LATIN SMALL LETTER K
ⓛ	l	e2 93 9b	CIRCLED LATIN SMALL LETTER L
ⓜ	m	e2 93 9c	CIRCLED LATIN SMALL LETTER M
ⓝ	n	e2 93 9d	CIRCLED LATIN SMALL LETTER N
ⓞ	o	e2 93 9e	CIRCLED LATIN SMALL LETTER O
ⓟ	p	e2 93 9f	CIRCLED LATIN SMALL LETTER P
ⓠ	q	e2 93 a0	CIRCLED LATIN SMALL LETTER Q
ⓡ	r	e2 93 a1	CIRCLED LATIN SMALL LETTER R
ⓢ	s	e2 93 a2	CIRCLED LATIN SMALL LETTER S
ⓣ	t	e2 93 a3	CIRCLED LATIN SMALL LETTER T
ⓤ	u	e2 93 a4	CIRCLED LATIN SMALL LETTER U
ⓥ	v	e2 93 a5	CIRCLED LATIN SMALL LETTER V
ⓦ	w	e2 93 a6	CIRCLED LATIN SMALL LETTER W
ⓧ	x	e2 93 a7	CIRCLED LATIN SMALL LETTER X
ⓨ	y	e2 93 a8	CIRCLED LATIN SMALL LETTER Y
ⓩ	z	e2 93 a9	CIRCLED LATIN SMALL LETTER Z
⓪	0	e2 93 aa	CIRCLED DIGIT ZERO
⓫	11	e2 93 ab	NEGATIVE CIRCLED NUMBER ELEVEN
⓬	12	e2 93 ac	NEGATIVE CIRCLED NUMBER TWELVE
⓭	13	e2 93 ad	NEGATIVE CIRCLED NUMBER THIRTEEN
⓮	14	e2 93 ae	NEGATIVE CIRCLED NUMBER FOURTEEN
⓯	15	e2 93 af	NEGATIVE CIRCLED NUMBER FIFTEEN
⓰	16	e2 93 b0	NEGATIVE CIRCLED NUMBER SIXTEEN
⓱	17	e2 93 b1	NEGATIVE CIRCLED NUMBER SEVENTEEN
⓲	18	e2 93 b2	NEGATIVE CIRCLED NUMBER EIGHTEEN
⓳	19	e2 93 b3	NEGATIVE CIRCLED NUMBER NINETEEN
⓴	20	e2 93 b4	NEGATIVE CIRCLED NUMBER TWENTY
⓵	1	e2 93 b5	DOUBLE CIRCLED DIGIT ONE
⓶	2	e2 93 b6	DOUBLE CIRCLED DIGIT TWO
⓷	3	e2 93 b7	DOUBLE CIRCLED DIGIT THREE
⓸	4	e2 93 b8	DOUBLE CIRCLED DIGIT FOUR
⓹	5	e2 93 b9	DOUBLE CIRCLED DIGIT FIVE
⓺	6	e2 93 ba	DOUBLE CIRCLED DIGIT SIX
⓻	7	e2 93 bb	DOUBLE CIRCLED DIGIT SEVEN
⓼	8	e2 93 bc	DOUBLE CIRCLED DIGIT EIGHT
⓽	9	e2 93 bd	DOUBLE CIRCLED DIGIT NINE
⓾	10	e2 93 be	DOUBLE CIRCLED NUMBER TEN
⓿	0	e2 93 bf	NEGATIVE CIRCLED DIGIT ZERO
❶	1	e2 9d b6	DINGBAT NEGATIVE CIRCLED DIGIT ONE	INVERSE CIRCLED DIGIT ONE
❷	2	e2 9d b7	DINGBAT NEGATIVE CIRCLED DIGIT TWO	INVERSE CIRCLED DIGIT TWO
❸	3	e2 9d b8	DINGBAT NEGATIVE CIRCLED DIGIT THREE	INVERSE CIRCLED DIGIT THREE
❹	4	e2 9d b9	DINGBAT NEGATIVE CIRCLED DIGIT FOUR	INVERSE CIRCLED DIGIT FOUR
❺	5	e2 9d ba	DINGBAT NEGATIVE CIRCLED DIGIT FIVE	INVERSE CIRCLED DIGIT FIVE
❻	6	e2 9d bb	DINGBAT NEGATIVE CIRCLED DIGIT SIX	INVERSE CIRCLED DIGIT SIX
❼	7	e2 9d bc	DINGBAT NEGATIVE CIRCLED DIGIT SEVEN	INVERSE CIRCLED DIGIT SEVEN
❽	8	e2 9d bd	DINGBAT NEGATIVE CIRCLED DIGIT EIGHT	INVERSE CIRCLED DIGIT EIGHT
❾	9	e2 9d be	DINGBAT NEGATIVE CIRCLED DIGIT NINE	INVERSE CIRCLED DIGIT NINE
❿	10	e2 9d bf	DINGBAT NEGATIVE CIRCLED NUMBER TEN	INVERSE CIRCLED NUMBER TEN
➀	1	e2 9e 80	DINGBAT CIRCLED SANS-SERIF DIGIT ONE	CIRCLED SANS-SERIF DIGIT ONE
➁	2	e2 9e 81	DINGBAT CIRCLED SANS-SERIF DIGIT TWO	CIRCLED SANS-SERIF DIGIT TWO
➂	3	e2 9e 82	DINGBAT CIRCLED SANS-SERIF DIGIT THREE	CIRCLED SANS-SERIF DIGIT THREE
➃	4	e2 9e 83	DINGBAT CIRCLED SANS-SERIF DIGIT FOUR	CIRCLED SANS-SERIF DIGIT FOUR
➄	5	e2 9e 84	DINGBAT CIRCLED SANS-SERIF DIGIT FIVE	CIRCLED SANS-SERIF DIGIT FIVE
➅	6	e2 9e 85	DINGBAT CIRCLED SANS-SERIF DIGIT SIX	CIRCLED SANS-SERIF DIGIT SIX
➆	7	e2 9e 86	DINGBAT CIRCLED SANS-SERIF DIGIT SEVEN	CIRCLED SANS-SERIF DIGIT SEVEN
➇	8	e2 9e 87	DINGBAT CIRCLED SANS-SERIF DIGIT EIGHT	CIRCLED SANS-SERIF DIGIT EIGHT
➈	9	e2 9e 88	DINGBAT CIRCLED SANS-SERIF DIGIT NINE	CIRCLED SANS-SERIF DIGIT NINE
➉	10	e2 9e 89	DINGBAT CIRCLED SANS-SERIF NUMBER TEN	CIRCLED SANS-SERIF NUMBER TEN
➊	1	e2 9e 8a	DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT ONE	INVERSE CIRCLED SANS-SERIF DIGIT ONE
➋	2	e2 9e 8b	DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT TWO	INVERSE CIRCLED SANS-SERIF DIGIT TWO
➌	3	e2 9e 8c	DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT THREE	INVERSE CIRCLED SANS-SERIF DIGIT THREE
➍	4	e2 9e 8d	DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT FOUR	INVERSE CIRCLED SANS-SERIF DIGIT FOUR
➎	5	e2 9e 8e	DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT FIVE	INVERSE CIRCLED SANS-SERIF DIGIT FIVE
➏	6	e2 9e 8f	DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT SIX	INVERSE CIRCLED SANS-SERIF DIGIT SIX
➐	7	e2 9e 90	DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT SEVEN	INVERSE CIRCLED SANS-SERIF DIGIT SEVEN
➑	8	e2 9e 91	DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT EIGHT	INVERSE CIRCLED SANS-SERIF DIGIT EIGHT
➒	9	e2 9e 92	DINGBAT NEGATIVE CIRCLED SANS-SERIF DIGIT NINE	INVERSE CIRCLED SANS-SERIF DIGIT NINE
➓	10	e2 9e 93	DINGBAT NEGATIVE CIRCLED SANS-SERIF NUMBER TEN	INVERSE CIRCLED SANS-SERIF NUMBER TEN
㉑	21	e3 89 91	CIRCLED NUMBER TWENTY ONE
㉒	22	e3 89 92	CIRCLED NUMBER TWENTY TWO
㉓	23	e3 89 93	CIRCLED NUMBER TWENTY THREE
㉔	24	e3 89 94	CIRCLED NUMBER TWENTY FOUR
㉕	25	e3 89 95	CIRCLED NUMBER TWENTY FIVE
㉖	26	e3 89 96	CIRCLED NUMBER TWENTY SIX
㉗	27	e3 89 97	CIRCLED NUMBER TWENTY SEVEN
㉘	28	e3 89 98	CIRCLED NUMBER TWENTY EIGHT
㉙	29	e3 89 99	CIRCLED NUMBER TWENTY NINE
㉚	30	e3 89 9a	CIRCLED NUMBER THIRTY
㉛	31	e3 89 9b	CIRCLED NUMBER THIRTY ONE
㉜	32	e3 89 9c	CIRCLED NUMBER THIRTY TWO
㉝	33	e3 89 9d	CIRCLED NUMBER THIRTY THREE
㉞	34	e3 89 9e	CIRCLED NUMBER THIRTY FOUR
㉟	35	e3 89 9f	CIRCLED NUMBER THIRTY FIVE
㊱	36	e3 8a b1	CIRCLED NUMBER THIRTY SIX
㊲	37	e3 8a b2	CIRCLED NUMBER THIRTY SEVEN
㊳	38	e3 8a b3	CIRCLED NUMBER THIRTY EIGHT
㊴	39	e3 8a b4	CIRCLED NUMBER THIRTY NINE
㊵	40	e3 8a b5	CIRCLED NUMBER FORTY
㊶	41	e3 8a b6	CIRCLED NUMBER FORTY ONE
㊷	42	e3 8a b7	CIRCLED NUMBER FORTY TWO
㊸	43	e3 8a b8	CIRCLED NUMBER FORTY THREE
㊹	44	e3 8a b9	CIRCLED NUMBER FORTY FOUR
㊺	45	e3 8a ba	CIRCLED NUMBER FORTY FIVE
㊻	46	e3 8a bb	CIRCLED NUMBER FORTY SIX
㊼	47	e3 8a bc	CIRCLED NUMBER FORTY SEVEN
㊽	48	e3 8a bd	CIRCLED NUMBER FORTY EIGHT
㊾	49	e3 8a be	CIRCLED NUMBER FORTY NINE
㊿	50	e3 8a bf	CIRCLED NUMBER FIFTY

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