U+1D725 "𝜥" Mathematical Bold Italic Capital Kappa Unicode Character
Unicode Version 17.0
𝜥
U+1D725 "𝜥" Mathematical Bold Italic Capital Kappa is a specialized typographic symbol representing the Greek letter Kappa in a bold italic style, belonging to the Mathematical Alphanumeric Symbols block. It is primarily used in mathematical and scientific notation to denote variables, constants, or special functions where a distinct, emphasized variant of the capital Kappa is needed, such as in vector calculus, differential geometry, or physics contexts. This character helps differentiate its meaning from the standard Greek letter or other typographic forms, ensuring clarity in complex formulas and academic texts.
General Properties
| Code Point | U+1D725 |
| Version Added | 3.1 |
| Name | Mathematical Bold Italic 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 0x9C 0xA5 |
| UTF-16 Encoding | 0xD835 0xDF25 |
| UTF-32 Encoding | 0x0001D725 |
| C/C++/Java Escape | \ud835\udf25 |
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 |