U+2034 "‴" Triple Prime Unicode Character
U+2034 "‴" Triple Prime is a typographic symbol that represents three short, slanted lines, similar to a double prime but with an additional stroke, and is most commonly used in mathematics and cartography to denote a third level of subdivision, such as for minutes and seconds of arc (where a single prime indicates minutes and a double prime seconds, the triple prime can indicate milliseconds or an even finer division) or to mark a third derivative in calculus notation (e.g., f‴(x) for the third derivative of a function). It features in specialized technical and scientific writing, often alongside prime and double prime symbols for layered or sequential annotations, such as in referencing sequential angles or temporal measurements. Despite its niche usage, the triple prime is a distinct and standardized glyph in the Unicode standard, included for compatibility and precise representation in digital text.
General Properties
| Code Point | U+2034 |
| Version Added | 1.1 |
| Name | Triple Prime |
| Block | General Punctuation |
| General Category | Other Punctuation |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | European Terminator |
| Decomposition Type | Compat |
| Decomposition Mapping | "′" U+2032 Prime "′" U+2032 Prime "′" U+2032 Prime |
Encodings
| HTML Decimal Encoding | ‴ |
| HTML Hex Encoding | ‴ |
| UTF-8 Encoding | 0xE2 0x80 0xB4 |
| UTF-16 Encoding | 0x2034 |
| UTF-32 Encoding | 0x00002034 |
| C/C++/Java Escape | \u2034 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Postfix Numeric |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "′" U+2032 Prime "′" U+2032 Prime "′" U+2032 Prime |
| NFKC Simple Casefold | "′" U+2032 Prime "′" U+2032 Prime "′" U+2032 Prime |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Math | Yes |
| Other Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |