U+1D6B9 "𝚹" Mathematical Bold Capital Theta Symbol Unicode Character
Unicode Version 17.0
𝚹
U+1D6B9 "𝚹" Mathematical Bold Capital Theta Symbol is a typographic variant of the uppercase Greek letter theta, distinguished by its bold weight and intended for use within mathematical or scientific notation, particularly in contexts where style consistency is required for variables, constants, or special symbols in equations. It belongs to the Mathematical Alphanumeric Symbols block, allowing it to be semantically distinct from the regular Greek theta in Unicode, thereby aiding in precise text rendering in fields such as physics, engineering, and advanced mathematics.
General Properties
| Code Point | U+1D6B9 |
| Version Added | 3.1 |
| Name | Mathematical Bold Capital Theta Symbol |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "ϴ" U+03F4 Greek Capital Theta Symbol |
Encodings
| HTML Decimal Encoding | 𝚹 |
| HTML Hex Encoding | 𝚹 |
| UTF-8 Encoding | 0xF0 0x9D 0x9A 0xB9 |
| UTF-16 Encoding | 0xD835 0xDEB9 |
| UTF-32 Encoding | 0x0001D6B9 |
| C/C++/Java Escape | \ud835\udeb9 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Cased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "θ" U+03B8 Greek Small Letter Theta |
| NFKC Simple Casefold | "θ" U+03B8 Greek Small Letter Theta |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Math | Yes |
| Other Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |