U+1D5A1 "𝖡" Mathematical Sans-Serif Capital B Unicode Character
Unicode Version 17.0
𝖡
U+1D5A1 "𝖡" Mathematical Sans-Serif Capital B is part of the Mathematical Alphanumeric Symbols block, designed to represent a bold sans-serif version of the uppercase Latin letter B for use in mathematical and scientific notation. This character allows writers and typesetters to clearly distinguish variables, constants, or other symbolic elements in formulas from plain text, particularly in fields like algebra, physics, and computer science where sans-serif styles denote specific sets or functions. It is encoded at code point U+1D5A1 and is typically rendered by mathematical fonts that support the full range of styled Latin and Greek letters.
General Properties
| Code Point | U+1D5A1 |
| Version Added | 3.1 |
| Name | Mathematical Sans-Serif Capital B |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "B" U+0042 Latin Capital Letter B |
Encodings
| HTML Decimal Encoding | 𝖡 |
| HTML Hex Encoding | 𝖡 |
| UTF-8 Encoding | 0xF0 0x9D 0x96 0xA1 |
| UTF-16 Encoding | 0xD835 0xDDA1 |
| UTF-32 Encoding | 0x0001D5A1 |
| C/C++/Java Escape | \ud835\udda1 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Cased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "b" U+0062 Latin Small Letter B |
| NFKC Simple Casefold | "b" U+0062 Latin Small Letter B |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Math | Yes |
| Other Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |