U+FF15 "５" Fullwidth Digit Five Unicode Character

U+FF15 "５" Fullwidth Digit Five is a typographic variant of the standard ASCII digit "5" that occupies the same width as a CJK (Chinese, Japanese, and Korean) ideographic character, typically twice as wide as a normal Latin digit. It is part of the Halfwidth and Fullwidth Forms block, designed for use in East Asian text environments where characters are spaced evenly in square grids, such as in traditional printing or certain digital interfaces. This fullwidth digit is commonly employed in contexts like aligning numeric data in tables, formatting dates, or displaying phone numbers in documents that mix Latin and CJK scripts, ensuring visual consistency and readability.

General Properties

Code Point	U+FF15
Version Added	1.1
Name	Fullwidth Digit Five
Block	Halfwidth and Fullwidth Forms
General Category	Decimal Number
Canonical Combining Class	Not Reordered
Bidirectional Class	European Number
Decomposition Type	Wide
Decomposition Mapping	"5" U+0035 Digit Five

Encodings

HTML Decimal Encoding	５
HTML Hex Encoding	５
UTF-8 Encoding	0xEF 0xBC 0x95
UTF-16 Encoding	0xFF15
UTF-32 Encoding	0x0000FF15
C/C++/Java Escape	\uff15

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	Decimal
Numeric Value	5
Line Break	Ideographic
East Asian Width	Fullwidth
Changes When NFKC Casefolded	Yes
NFKC Casefold	"5" U+0035 Digit Five
NFKC Simple Casefold	"5" U+0035 Digit Five
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