U+3251 "㉑" Circled Number Twenty One Unicode Character

U+3251 "㉑" Circled Number Twenty One is a specific code point in the Unicode standard that represents a numeric glyph with the digits "21" enclosed in a circle, falling under the "Enclosed CJK Letters and Months" block. This character is primarily used for stylistic numbering in East Asian typography, such as in lists, menus, or schedules, where a compact and visually uniform enclosed numeral is preferred. It is part of a series of circled numbers ranging from U+3250 (㉐) to U+327F (㉿), which serve as an alternative to standard digits for decorative or space-constrained contexts.

General Properties

Code Point	U+3251
Version Added	3.2
Name	Circled Number Twenty One
Block	Enclosed CJK Letters and Months
General Category	Other Number
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral
Decomposition Type	Circle
Decomposition Mapping	"2" U+0032 Digit Two "1" U+0031 Digit One

Encodings

HTML Decimal Encoding	㉑
HTML Hex Encoding	㉑
UTF-8 Encoding	0xE3 0x89 0x91
UTF-16 Encoding	0x3251
UTF-32 Encoding	0x00003251
C/C++/Java Escape	\u3251

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	Numeric
Numeric Value	21
Line Break	Ideographic
East Asian Width	Wide
Changes When NFKC Casefolded	Yes
NFKC Casefold	"2" U+0032 Digit Two "1" U+0031 Digit One
NFKC Simple Casefold	"2" U+0032 Digit Two "1" U+0031 Digit One
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other