U+2178 "ⅸ" Small Roman Numeral Nine Unicode Character
Unicode Version 17.0
ⅸ
U+2178 "ⅸ" Small Roman Numeral Nine is a typographic variant of the Roman numeral for the number nine, designed to harmonize with the visual weight of lowercase or small capital letters in running text. Unlike its uppercase counterpart "IX", this small numeral is often used in contexts where a less obtrusive, more balanced appearance is desired, such as in pagination, lists, or clock faces. It belongs to the Unicode block Number Forms, which standardizes these alternative numeral representations to ensure consistent display across different fonts and digital platforms.
General Properties
| Code Point | U+2178 |
| Version Added | 1.1 |
| Name | Small Roman Numeral Nine |
| Block | Number Forms |
| General Category | Letter Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Compat |
| Decomposition Mapping | "i" U+0069 Latin Small Letter I "x" U+0078 Latin Small Letter X |
Encodings
| HTML Decimal Encoding | ⅸ |
| HTML Hex Encoding | ⅸ |
| UTF-8 Encoding | 0xE2 0x85 0xB8 |
| UTF-16 Encoding | 0x2178 |
| UTF-32 Encoding | 0x00002178 |
| C/C++/Java Escape | \u2178 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Numeric |
| Numeric Value | 9 |
| Line Break | Ambiguous (Alphabetic or Ideographic) |
| East Asian Width | Ambiguous |
| Lowercase | Yes |
| Other Lowercase | Yes |
| Simple Uppercase Code Point | "Ⅸ" U+2168 Roman Numeral Nine |
| Simple Titlecase Code Point | "Ⅸ" U+2168 Roman Numeral Nine |
| Uppercase Code Point | "Ⅸ" U+2168 Roman Numeral Nine |
| Titlecase Code Point | "Ⅸ" U+2168 Roman Numeral Nine |
| Cased | Yes |
| Changes When Casemapped | Yes |
| Changes When NFKC Casefolded | Yes |
| Changes When Titlecased | Yes |
| Changes When Uppercased | Yes |
| NFKC Casefold | "i" U+0069 Latin Small Letter I "x" U+0078 Latin Small Letter X |
| NFKC Simple Casefold | "i" U+0069 Latin Small Letter I "x" U+0078 Latin Small Letter X |
| 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 | Lower |