U+1D687 "𝚇" Mathematical Monospace Capital X Unicode Character
Unicode Version 17.0
𝚇
U+1D687 "𝚇" Mathematical Monospace Capital X is a stylized letterform representing the uppercase X in a monospace or typewriter style, designed for use within mathematical and technical typography. It is part of the Mathematical Alphanumeric Symbols block, which provides distinct alphabetic characters like this one to ensure unambiguous representation in formulas where standard letters might denote variables or operations. Unlike a typical italic or serif X, this character carries a uniform width and fixed spacing, making it ideal for code snippets, algorithmic notation, or contexts requiring a clear, mechanical aesthetic.
General Properties
| Code Point | U+1D687 |
| Version Added | 3.1 |
| Name | Mathematical Monospace Capital X |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "X" U+0058 Latin Capital Letter X |
Encodings
| HTML Decimal Encoding | 𝚇 |
| HTML Hex Encoding | 𝚇 |
| UTF-8 Encoding | 0xF0 0x9D 0x9A 0x87 |
| UTF-16 Encoding | 0xD835 0xDE87 |
| UTF-32 Encoding | 0x0001D687 |
| C/C++/Java Escape | \ud835\ude87 |
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 | "x" U+0078 Latin Small Letter X |
| NFKC Simple Casefold | "x" U+0078 Latin Small Letter X |
| 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 |