U+1D6B1 "𝚱" Mathematical Bold Capital Kappa Unicode Character
Unicode Version 17.0
𝚱
U+1D6B1 "𝚱" Mathematical Bold Capital Kappa is a typographic variant of the Greek letter kappa, designed for use in mathematical and scientific notation where bold formatting is required to denote vectors, matrices, or special constants. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced to provide distinct, unambiguous characters for mathematical expressions without relying on font styling. This specific glyph represents the uppercase kappa in a bold weight, allowing it to be distinguished from its regular, italic, or script counterparts in complex formulas and academic texts.
General Properties
| Code Point | U+1D6B1 |
| Version Added | 3.1 |
| Name | Mathematical Bold Capital Kappa |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "Κ" U+039A Greek Capital Letter Kappa |
Encodings
| HTML Decimal Encoding | 𝚱 |
| HTML Hex Encoding | 𝚱 |
| UTF-8 Encoding | 0xF0 0x9D 0x9A 0xB1 |
| UTF-16 Encoding | 0xD835 0xDEB1 |
| UTF-32 Encoding | 0x0001D6B1 |
| C/C++/Java Escape | \ud835\udeb1 |
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 | "κ" U+03BA Greek Small Letter Kappa |
| NFKC Simple Casefold | "κ" U+03BA Greek Small Letter Kappa |
| 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 |