Unicode Character "１" U+FF11 Fullwidth Digit One
Unicode Version 15.1
１
Summary
The unicode character "１" at code point U+FF11 is Fullwidth Digit One. It is a character in the Halfwidth and Fullwidth Forms block and is part of the Common script. The character is a decimal number. The UTF-8 encoding of "１" is 0xEF 0xBC 0x91 and the UTF-16 encoding is 0xFF11.
General Properties
| Code Point | U+FF11 |
| Version Added | 1.1 |
| Name | Fullwidth Digit One |
| Block | Halfwidth and Fullwidth Forms |
| General Category | Decimal Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | European Number |
| Decomposition Type | Wide |
| Decomposition Mapping | "1" U+0031 Digit One |
Encodings
| HTML Decimal Encoding | １ |
| HTML Hex Encoding | １ |
| UTF-8 Encoding | 0xEF 0xBC 0x91 |
| UTF-16 Encoding | 0xFF11 |
| UTF-32 Encoding | 0x0000FF11 |
| C/C++/Java Escape | \uff11 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Decimal |
| Numeric Value | 1 |
| Line Break | Ideographic |
| East Asian Width | Fullwidth |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "1" U+0031 Digit One |
| NFKC Simple Casefold | "1" U+0031 Digit One |
| 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 |