U+FF13 "３" Fullwidth Digit Three Unicode Character

U+FF13 "３" Fullwidth Digit Three is a typographic variant of the standard digit "3" that occupies the same width as a CJK ideographic character, designed for use in East Asian text where characters are typically monospaced in a square grid. It belongs to the "Halfwidth and Fullwidth Forms" block of Unicode and is visually identical to the regular digit but takes up a larger, square-shaped space to ensure proper alignment alongside Chinese, Japanese, or Korean characters. This fullwidth form is often employed in formatting tables, fixed-width text, or when mimicking traditional typewriter and print layouts in digital environments.

General Properties

Code Point	U+FF13
Version Added	1.1
Name	Fullwidth Digit Three
Block	Halfwidth and Fullwidth Forms
General Category	Decimal Number
Canonical Combining Class	Not Reordered
Bidirectional Class	European Number
Decomposition Type	Wide
Decomposition Mapping	"3" U+0033 Digit Three

Encodings

HTML Decimal Encoding	３
HTML Hex Encoding	３
UTF-8 Encoding	0xEF 0xBC 0x93
UTF-16 Encoding	0xFF13
UTF-32 Encoding	0x0000FF13
C/C++/Java Escape	\uff13

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	Decimal
Numeric Value	3
Line Break	Ideographic
East Asian Width	Fullwidth
Changes When NFKC Casefolded	Yes
NFKC Casefold	"3" U+0033 Digit Three
NFKC Simple Casefold	"3" U+0033 Digit Three
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
ID Continue	Yes
XID Continue	Yes
Hex Digit	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Numeric
Sentence Break	Numeric