U+1D7F3 "𝟳" Mathematical Sans-Serif Bold Digit Seven Unicode Character
Unicode Version 17.0
𝟳
U+1D7F3 "𝟳" Mathematical Sans-Serif Bold Digit Seven is a typographic variant of the standard digit seven, designed with a clean, uniform stroke weight and no serifs, making it part of the Mathematical Alphanumeric Symbols block. It is specifically intended for use in mathematical and scientific notation where a bold sans-serif style helps distinguish numerals from surrounding text or denote vector quantities or other special meanings. This character allows authors to maintain visual consistency when mixing digits with mathematical letters in bold sans-serif typefaces, ensuring clarity in equations, formulas, and technical documents.
General Properties
| Code Point | U+1D7F3 |
| Version Added | 3.1 |
| Name | Mathematical Sans-Serif Bold Digit Seven |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Decimal Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | European Number |
| Decomposition Type | Font |
| Decomposition Mapping | "7" U+0037 Digit Seven |
Encodings
| HTML Decimal Encoding | 𝟳 |
| HTML Hex Encoding | 𝟳 |
| UTF-8 Encoding | 0xF0 0x9D 0x9F 0xB3 |
| UTF-16 Encoding | 0xD835 0xDFF3 |
| UTF-32 Encoding | 0x0001D7F3 |
| C/C++/Java Escape | \ud835\udff3 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Decimal |
| Numeric Value | 7 |
| Line Break | Numeric |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "7" U+0037 Digit Seven |
| NFKC Simple Casefold | "7" U+0037 Digit Seven |
| 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 |