U+2089 "₉" Subscript Nine Unicode Character
Unicode Version 17.0
₉
U+2089 "₉" Subscript Nine is a numeric glyph belonging to the Superscripts and Subscripts block, designed to represent the digit nine in a smaller, lowered position relative to the baseline of standard text. It is primarily used in mathematical and scientific notation to denote chemical formulas, algebraic indices, or numerical subscripts, such as in molecular compositions like C₉H₂₀ or in referencing specific elements in a series. This character ensures precise typographic rendering of subscript digits across digital platforms, allowing for clear and standardized representation of technical information without relying on manual formatting or workarounds.
General Properties
| Code Point | U+2089 |
| Version Added | 1.1 |
| Name | Subscript Nine |
| Unicode 1.0 Name | Subscript Digit Nine |
| Block | Superscripts and Subscripts |
| General Category | Other Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | European Number |
| Decomposition Type | Sub |
| Decomposition Mapping | "9" U+0039 Digit Nine |
Encodings
| HTML Decimal Encoding | ₉ |
| HTML Hex Encoding | ₉ |
| UTF-8 Encoding | 0xE2 0x82 0x89 |
| UTF-16 Encoding | 0x2089 |
| UTF-32 Encoding | 0x00002089 |
| C/C++/Java Escape | \u2089 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Digital |
| Numeric Value | 9 |
| Line Break | Alphabetic |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "9" U+0039 Digit Nine |
| NFKC Simple Casefold | "9" U+0039 Digit Nine |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| ID Compat Math Continue | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |