Unicode Character "𝟙" U+1D7D9 Mathematical Double-Struck Digit One
Unicode Version 15.1
𝟙
Summary
The unicode character "𝟙" at code point U+1D7D9 is Mathematical Double-Struck Digit One. It is a character in the Mathematical Alphanumeric Symbols block and is part of the Common script. The character is a decimal number. The UTF-8 encoding of "𝟙" is 0xF0 0x9D 0x9F 0x99 and the UTF-16 encoding is 0xD835 0xDFD9.
General Properties
| Code Point | U+1D7D9 |
| Version Added | 3.1 |
| Name | Mathematical Double-Struck Digit One |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Decimal Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | European Number |
| Decomposition Type | Font |
| Decomposition Mapping | "1" U+0031 Digit One |
Encodings
| HTML Decimal Encoding | 𝟙 |
| HTML Hex Encoding | 𝟙 |
| UTF-8 Encoding | 0xF0 0x9D 0x9F 0x99 |
| UTF-16 Encoding | 0xD835 0xDFD9 |
| UTF-32 Encoding | 0x0001D7D9 |
| C/C++/Java Escape | \ud835\udfd9 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Decimal |
| Numeric Value | 1 |
| Line Break | Numeric |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "1" U+0031 Digit One |
| NFKC Simple Casefold | "1" U+0031 Digit One |
| 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 |