π is the Unicode character MODIFIER LETTER CYRILLIC SMALL BARRED O, code point U+1E04E (decimal 122958) in the Cyrillic Extended-D block, added in Unicode 15.0. In HTML write 𞁎, and in UTF-8 it is the 4 bytes F0 9E 81 8E.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1E04E |
| Decimal | 122958 |
| UTF-8 bytes | F0 9E 81 8E |
| UTF-16 (big-endian) | D838 DC4E |
| UTF-32 | 0001E04E |
| HTML decimal | 𞁎 |
| HTML hex | 𞁎 |
| CSS | \1E04E |
| JavaScript | \u{1E04E} or \uD838\uDC4E |
| JSON | \uD838\uDC4E |
| Python | \U0001E04E |
| Python by name | \N{MODIFIER LETTER CYRILLIC SMALL BARRED O} |
| Java, C# | \uD838\uDC4E |
| Rust, Swift | \u{1E04E} |
| Go, C, C++ | \U0001E04E |
| URL (percent-encoded) | %F0%9E%81%8E |
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 | MODIFIER LETTER CYRILLIC SMALL BARRED O |
| Code point | U+1E04E (decimal 122958) |
| Block | Cyrillic Extended-D (U+1E030βU+1E08F) |
| General category | Lm: Modifier letter |
| Script | Cyrillic |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 15.0 |
Decomposition
MODIFIER LETTER CYRILLIC SMALL BARRED O has a compatibility decomposition (super) 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 Cyrillic Extended-D
- π U+1E046 Modifier Letter Cyrillic Small Sha
- π U+1E047 Modifier Letter Cyrillic Small Yeru
- π U+1E048 Modifier Letter Cyrillic Small E
- π U+1E049 Modifier Letter Cyrillic Small Yu
- π U+1E04A Modifier Letter Cyrillic Small Dzze
- π U+1E04B Modifier Letter Cyrillic Small Schwa
- π U+1E04C Modifier Letter Cyrillic Small Byelorussian-Ukrainian I
- π U+1E04D Modifier Letter Cyrillic Small Je
- π U+1E04F Modifier Letter Cyrillic Small Straight U
- π U+1E050 Modifier Letter Cyrillic Small Palochka
- π U+1E051 Cyrillic Subscript Small Letter A
- π U+1E052 Cyrillic Subscript Small Letter Be
- π U+1E053 Cyrillic Subscript Small Letter Ve
- π U+1E054 Cyrillic Subscript Small Letter Ghe
- π U+1E055 Cyrillic Subscript Small Letter De
- π U+1E056 Cyrillic Subscript Small Letter Ie
All 63 characters: Cyrillic Extended-D.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 𞁎 (decimal) or 𞁎 (hex).
- What is the UTF-8 encoding of U+1E04E?
- F0 9E 81 8E (hex), 4 bytes. In a URL it is %F0%9E%81%8E.
- How do I write U+1E04E in JavaScript or Python?
- JavaScript: \u{1E04E} or \uD838\uDC4E. Python: \U0001E04E.
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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