U+1D7EF "𝟯" Mathematical Sans-Serif Bold Digit Three Unicode Character
Unicode Version 17.0
𝟯
U+1D7EF "𝟯" Mathematical Sans-Serif Bold Digit Three is a stylized numeral designed for use in mathematical and scientific notation where a clear, distinct typeface is needed to differentiate variables from plain text. It belongs to the Mathematical Alphanumeric Symbols block, which was added to Unicode to provide dedicated characters for mathematical formatting without relying on font-specific styling. This digit three is drawn without serifs and in bold weight, making it suitable for use in equations, matrices, or any context requiring a modern, unambiguous representation of the number three that stands out from surrounding text.
General Properties
| Code Point | U+1D7EF |
| Version Added | 3.1 |
| Name | Mathematical Sans-Serif Bold Digit Three |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Decimal Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | European Number |
| Decomposition Type | Font |
| Decomposition Mapping | "3" U+0033 Digit Three |
Encodings
| HTML Decimal Encoding | 𝟯 |
| HTML Hex Encoding | 𝟯 |
| UTF-8 Encoding | 0xF0 0x9D 0x9F 0xAF |
| UTF-16 Encoding | 0xD835 0xDFEF |
| UTF-32 Encoding | 0x0001D7EF |
| C/C++/Java Escape | \ud835\udfef |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Decimal |
| Numeric Value | 3 |
| Line Break | Numeric |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "3" U+0033 Digit Three |
| NFKC Simple Casefold | "3" U+0033 Digit Three |
| 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 |