Unicode Character "Ⅰ" U+2160 Roman Numeral One
Unicode Version 15.1
Ⅰ
Summary
The unicode character "Ⅰ" at code point U+2160 is Roman Numeral One. It is a character in the Number Forms block and is part of the Latin script. The character is a letter number. The UTF-8 encoding of "Ⅰ" is 0xE2 0x85 0xA0 and the UTF-16 encoding is 0x2160.
General Properties
| Code Point | U+2160 |
| Version Added | 1.1 |
| Name | Roman Numeral One |
| Block | Number Forms |
| General Category | Letter Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Compat |
| Decomposition Mapping | "I" U+0049 Latin Capital Letter I |
Encodings
| HTML Decimal Encoding | Ⅰ |
| HTML Hex Encoding | Ⅰ |
| UTF-8 Encoding | 0xE2 0x85 0xA0 |
| UTF-16 Encoding | 0x2160 |
| UTF-32 Encoding | 0x00002160 |
| C/C++/Java Escape | \u2160 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Numeric |
| Numeric Value | 1 |
| Line Break | Ambiguous (Alphabetic or Ideographic) |
| East Asian Width | Ambiguous |
| Uppercase | Yes |
| Other Uppercase | Yes |
| Simple Lowercase Code Point | "ⅰ" U+2170 Small Roman Numeral One |
| Lowercase Code Point | "ⅰ" U+2170 Small Roman Numeral One |
| Simple Case Folding | "ⅰ" U+2170 Small Roman Numeral One |
| Case Folding | "ⅰ" U+2170 Small Roman Numeral One |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "i" U+0069 Latin Small Letter I |
| NFKC Simple Casefold | "i" U+0069 Latin Small Letter I |
| Script | Latin |
| Script Extensions | Latin |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |