U+1D7FF "𝟿" Mathematical Monospace Digit Nine Unicode Character
Unicode Version 17.0
𝟿
U+1D7FF "𝟿" Mathematical Monospace Digit Nine is part of the Mathematical Alphanumeric Symbols block, designed specifically for use in mathematical and technical contexts where a fixed-width, typewriter style representation of the digit nine is required. This character allows authors to clearly distinguish the numeral from surrounding text, especially in formulas, computer code, or algorithmic notation where monospaced formatting is standard. It belongs to a complete set of monospace digits from zero to nine, providing a consistent visual appearance for numeric values in plain text without relying on font-specific styling or markup.
General Properties
| Code Point | U+1D7FF |
| Version Added | 3.1 |
| Name | Mathematical Monospace Digit Nine |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Decimal Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | European Number |
| Decomposition Type | Font |
| Decomposition Mapping | "9" U+0039 Digit Nine |
Encodings
| HTML Decimal Encoding | 𝟿 |
| HTML Hex Encoding | 𝟿 |
| UTF-8 Encoding | 0xF0 0x9D 0x9F 0xBF |
| UTF-16 Encoding | 0xD835 0xDFFF |
| UTF-32 Encoding | 0x0001D7FF |
| C/C++/Java Escape | \ud835\udfff |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Decimal |
| Numeric Value | 9 |
| Line Break | Numeric |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "9" U+0039 Digit Nine |
| NFKC Simple Casefold | "9" U+0039 Digit Nine |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| ID Continue | Yes |
| XID Continue | Yes |
| Math | Yes |
| Other Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Numeric |
| Sentence Break | Numeric |