π‘ is the Unicode character MATHEMATICAL ITALIC SMALL T, code point U+1D461 (decimal 119905) in the Mathematical Alphanumeric Symbols block, added in Unicode 3.1. In HTML write 𝑡, and in UTF-8 it is the 4 bytes F0 9D 91 A1.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1D461 |
| Decimal | 119905 |
| UTF-8 bytes | F0 9D 91 A1 |
| UTF-16 (big-endian) | D835 DC61 |
| UTF-32 | 0001D461 |
| HTML decimal | 𝑡 |
| HTML hex | 𝑡 |
| CSS | \1D461 |
| JavaScript | \u{1D461} or \uD835\uDC61 |
| JSON | \uD835\uDC61 |
| Python | \U0001D461 |
| Python by name | \N{MATHEMATICAL ITALIC SMALL T} |
| Java, C# | \uD835\uDC61 |
| Rust, Swift | \u{1D461} |
| Go, C, C++ | \U0001D461 |
| URL (percent-encoded) | %F0%9D%91%A1 |
JavaScript and JSON strings store text as UTF-16, so this character takes two code units (a surrogate pair) and "π‘".length is 2. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | MATHEMATICAL ITALIC SMALL T |
| Code point | U+1D461 (decimal 119905) |
| Block | Mathematical Alphanumeric Symbols (U+1D400βU+1D7FF) |
| General category | Ll: Lowercase letter |
| Script | Common |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 3.1 |
Decomposition
MATHEMATICAL ITALIC SMALL T has a compatibility decomposition (font) to the sequence below. NFKC and NFKD normalisation replace it with that sequence, which can change how text looks, so use them for search, not for storage.
Nearby in Mathematical Alphanumeric Symbols
- π U+1D459 Mathematical Italic Small L
- π U+1D45A Mathematical Italic Small M
- π U+1D45B Mathematical Italic Small N
- π U+1D45C Mathematical Italic Small O
- π U+1D45D Mathematical Italic Small P
- π U+1D45E Mathematical Italic Small Q
- π U+1D45F Mathematical Italic Small R
- π U+1D460 Mathematical Italic Small S
- π’ U+1D462 Mathematical Italic Small U
- π£ U+1D463 Mathematical Italic Small V
- π€ U+1D464 Mathematical Italic Small W
- π₯ U+1D465 Mathematical Italic Small X
- π¦ U+1D466 Mathematical Italic Small Y
- π§ U+1D467 Mathematical Italic Small Z
- π¨ U+1D468 Mathematical Bold Italic Capital A
- π© U+1D469 Mathematical Bold Italic Capital B
All 997 characters: Mathematical Alphanumeric Symbols.
Official reference
Questions people ask
- What is the HTML code for π‘?
- Use 𝑡 (decimal) or 𝑡 (hex).
- What is the UTF-8 encoding of U+1D461?
- F0 9D 91 A1 (hex), 4 bytes. In a URL it is %F0%9D%91%A1.
- How do I write U+1D461 in JavaScript or Python?
- JavaScript: \u{1D461} or \uD835\uDC61. Python: \U0001D461.
Source
Unicode Character Database 18.0.0 (Unicode License v3); HTML entity names from the WHATWG HTML Standard (CC BY 4.0). The encodings above are computed from the code point and checked against Python's encoders. How the character looks depends on your fonts.
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