U+2173 "ⅳ" Small Roman Numeral Four Unicode Character
Unicode Version 17.0
ⅳ
U+2173 "ⅳ" Small Roman Numeral Four is a typographic representation of the number four written with a lowercase "iv" in the Roman numeral system, designed as a single glyph for use in text where a compact, stylized numeral is preferable. It belongs to the Number Forms block and is distinct from the uppercase "Ⅳ" (U+2163) for cases requiring the minuscule form, such as in some numbering conventions or decorative contexts. This character encodes a numeric value of 4 and is often employed in outlines, clocks, or historical documents to maintain visual consistency with other small Roman numerals in a sequence.
General Properties
| Code Point | U+2173 |
| Version Added | 1.1 |
| Name | Small Roman Numeral Four |
| 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 "v" U+0076 Latin Small Letter V |
Encodings
| HTML Decimal Encoding | ⅳ |
| HTML Hex Encoding | ⅳ |
| UTF-8 Encoding | 0xE2 0x85 0xB3 |
| UTF-16 Encoding | 0x2173 |
| UTF-32 Encoding | 0x00002173 |
| C/C++/Java Escape | \u2173 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Numeric |
| Numeric Value | 4 |
| Line Break | Ambiguous (Alphabetic or Ideographic) |
| East Asian Width | Ambiguous |
| Lowercase | Yes |
| Other Lowercase | Yes |
| Simple Uppercase Code Point | "Ⅳ" U+2163 Roman Numeral Four |
| Simple Titlecase Code Point | "Ⅳ" U+2163 Roman Numeral Four |
| Uppercase Code Point | "Ⅳ" U+2163 Roman Numeral Four |
| Titlecase Code Point | "Ⅳ" U+2163 Roman Numeral Four |
| 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 "v" U+0076 Latin Small Letter V |
| NFKC Simple Casefold | "i" U+0069 Latin Small Letter I "v" U+0076 Latin Small Letter V |
| 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 |