U+1D7F1 "𝟱" Mathematical Sans-Serif Bold Digit Five Unicode Character
Unicode Version 17.0
𝟱
U+1D7F1 "𝟱" Mathematical Sans-Serif Bold Digit Five is a typographic variant of the standard digit five, designed to be used in mathematical and scientific notation where a clear, heavy, sans-serif style is required to distinguish it from regular text or to match other bold mathematical symbols. It belongs to the Mathematical Alphanumeric Symbols block and is intended for contexts such as equations, vectors, or set notation, ensuring visual consistency with other bold sans-serif mathematical characters. This character is not typically found in standard fonts and requires a supporting Unicode-compliant typeface for proper display.
General Properties
| Code Point | U+1D7F1 |
| Version Added | 3.1 |
| Name | Mathematical Sans-Serif Bold Digit Five |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Decimal Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | European Number |
| Decomposition Type | Font |
| Decomposition Mapping | "5" U+0035 Digit Five |
Encodings
| HTML Decimal Encoding | 𝟱 |
| HTML Hex Encoding | 𝟱 |
| UTF-8 Encoding | 0xF0 0x9D 0x9F 0xB1 |
| UTF-16 Encoding | 0xD835 0xDFF1 |
| UTF-32 Encoding | 0x0001D7F1 |
| C/C++/Java Escape | \ud835\udff1 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Decimal |
| Numeric Value | 5 |
| Line Break | Numeric |
| 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 |
| Math | Yes |
| Other Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Numeric |
| Sentence Break | Numeric |