U+2165 "Ⅵ" Roman Numeral Six Unicode Character
U+2165 "Ⅵ" Roman Numeral Six is a precomposed glyph representing the number six in the Roman numeral system, formed by the sequential addition of three "I" symbols after a "V," though it is visually encoded as a single character for typographic consistency. It belongs to the Unicode block Number Forms, which was designed to support vertical text layouts and ensure proper alignment in East Asian and other contexts where separate characters might break across lines or disrupt spacing. This specific codepoint allows digital text to represent the classic Roman numeral for six without relying on the separate combination of "V" and "I," making it useful in historical numbering, clock faces, outlines, and formal inscriptions where a unified appearance is desired.
General Properties
| Code Point | U+2165 |
| Version Added | 1.1 |
| Name | Roman Numeral Six |
| Block | Number Forms |
| General Category | Letter Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Compat |
| Decomposition Mapping | "V" U+0056 Latin Capital Letter V "I" U+0049 Latin Capital Letter I |
Encodings
| HTML Decimal Encoding | Ⅵ |
| HTML Hex Encoding | Ⅵ |
| UTF-8 Encoding | 0xE2 0x85 0xA5 |
| UTF-16 Encoding | 0x2165 |
| UTF-32 Encoding | 0x00002165 |
| C/C++/Java Escape | \u2165 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Numeric |
| Numeric Value | 6 |
| Line Break | Ambiguous (Alphabetic or Ideographic) |
| East Asian Width | Ambiguous |
| Uppercase | Yes |
| Other Uppercase | Yes |
| Simple Lowercase Code Point | "ⅵ" U+2175 Small Roman Numeral Six |
| Lowercase Code Point | "ⅵ" U+2175 Small Roman Numeral Six |
| Simple Case Folding | "ⅵ" U+2175 Small Roman Numeral Six |
| Case Folding | "ⅵ" U+2175 Small Roman Numeral Six |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "v" U+0076 Latin Small Letter V "i" U+0069 Latin Small Letter I |
| NFKC Simple Casefold | "v" U+0076 Latin Small Letter V "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 |