U+215F "⅟" Fraction Numerator One Unicode Character
U+215F "⅟" Fraction Numerator One is a specialized typographic symbol designed to represent the numerator for common fractions, specifically the digit 1, in a precomposed form that aligns with other fraction characters in the Number Forms block. It is typically used in combination with a following slash and a denominator digit to construct fractions like 1/2 or 1/3, offering a consistent visual appearance for numerical representations in text. This character falls outside standard ASCII and is intended for use in contexts where a dedicated fraction format is needed, such as in mathematical notation, recipes, or typographical layouts. Its inclusion in Unicode supports diverse writing systems and ensures correct display across different platforms and fonts.
General Properties
| Code Point | U+215F |
| Version Added | 1.1 |
| Name | Fraction Numerator One |
| Block | Number Forms |
| General Category | Other Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
| Decomposition Type | Fraction |
| Decomposition Mapping | "1" U+0031 Digit One "⁄" U+2044 Fraction Slash |
Encodings
| HTML Decimal Encoding | ⅟ |
| HTML Hex Encoding | ⅟ |
| UTF-8 Encoding | 0xE2 0x85 0x9F |
| UTF-16 Encoding | 0x215F |
| UTF-32 Encoding | 0x0000215F |
| C/C++/Java Escape | \u215f |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Numeric |
| Numeric Value | 1 |
| Line Break | Alphabetic |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "1" U+0031 Digit One "⁄" U+2044 Fraction Slash |
| NFKC Simple Casefold | "1" U+0031 Digit One "⁄" U+2044 Fraction Slash |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |