π is the Unicode character MODIFIER LETTER CYRILLIC SMALL YERU, code point U+1E047 (decimal 122951) in the Cyrillic Extended-D block, added in Unicode 15.0. In HTML write 𞁇, and in UTF-8 it is the 4 bytes F0 9E 81 87.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1E047 |
| Decimal | 122951 |
| UTF-8 bytes | F0 9E 81 87 |
| UTF-16 (big-endian) | D838 DC47 |
| UTF-32 | 0001E047 |
| HTML decimal | 𞁇 |
| HTML hex | 𞁇 |
| CSS | \1E047 |
| JavaScript | \u{1E047} or \uD838\uDC47 |
| JSON | \uD838\uDC47 |
| Python | \U0001E047 |
| Python by name | \N{MODIFIER LETTER CYRILLIC SMALL YERU} |
| Java, C# | \uD838\uDC47 |
| Rust, Swift | \u{1E047} |
| Go, C, C++ | \U0001E047 |
| URL (percent-encoded) | %F0%9E%81%87 |
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 YERU |
| Code point | U+1E047 (decimal 122951) |
| 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 YERU 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
- πΏ U+1E03F Modifier Letter Cyrillic Small Es
- π U+1E040 Modifier Letter Cyrillic Small Te
- π U+1E041 Modifier Letter Cyrillic Small U
- π U+1E042 Modifier Letter Cyrillic Small Ef
- π U+1E043 Modifier Letter Cyrillic Small Ha
- π U+1E044 Modifier Letter Cyrillic Small Tse
- π U+1E045 Modifier Letter Cyrillic Small Che
- π U+1E046 Modifier Letter Cyrillic Small Sha
- 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+1E04E Modifier Letter Cyrillic Small Barred O
- π U+1E04F Modifier Letter Cyrillic Small Straight U
All 63 characters: Cyrillic Extended-D.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 𞁇 (decimal) or 𞁇 (hex).
- What is the UTF-8 encoding of U+1E047?
- F0 9E 81 87 (hex), 4 bytes. In a URL it is %F0%9E%81%87.
- How do I write U+1E047 in JavaScript or Python?
- JavaScript: \u{1E047} or \uD838\uDC47. Python: \U0001E047.
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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