U+FF16 "６" Fullwidth Digit Six Unicode Character

U+FF16 "６" Fullwidth Digit Six is a typographic variant of the standard ASCII digit "6" that occupies the same fixed width as CJK (Chinese, Japanese, and Korean) characters, typically twice the width of a standard Latin digit. Part of the "Halfwidth and Fullwidth Forms" block, this character is used primarily in East Asian text settings where a monospaced, square-shaped alignment is required, such as in vertical writing, formatted tables, or to maintain visual consistency alongside fullwidth letters and punctuation. Despite its different appearance and larger spacing, it retains the exact numeric value and meaning of the digit six.

General Properties

Code Point	U+FF16
Version Added	1.1
Name	Fullwidth Digit Six
Block	Halfwidth and Fullwidth Forms
General Category	Decimal Number
Canonical Combining Class	Not Reordered
Bidirectional Class	European Number
Decomposition Type	Wide
Decomposition Mapping	"6" U+0036 Digit Six

Encodings

HTML Decimal Encoding	６
HTML Hex Encoding	６
UTF-8 Encoding	0xEF 0xBC 0x96
UTF-16 Encoding	0xFF16
UTF-32 Encoding	0x0000FF16
C/C++/Java Escape	\uff16

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	Decimal
Numeric Value	6
Line Break	Ideographic
East Asian Width	Fullwidth
Changes When NFKC Casefolded	Yes
NFKC Casefold	"6" U+0036 Digit Six
NFKC Simple Casefold	"6" U+0036 Digit Six
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