π is the Unicode character MUSICAL SYMBOL FINGERED TREMOLO-5, code point U+1D25E (decimal 119390) in the Musical Symbols Supplement block, added in Unicode 18.0. In HTML write 𝉞, and in UTF-8 it is the 4 bytes F0 9D 89 9E.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1D25E |
| Decimal | 119390 |
| UTF-8 bytes | F0 9D 89 9E |
| UTF-16 (big-endian) | D834 DE5E |
| UTF-32 | 0001D25E |
| HTML decimal | 𝉞 |
| HTML hex | 𝉞 |
| CSS | \1D25E |
| JavaScript | \u{1D25E} or \uD834\uDE5E |
| JSON | \uD834\uDE5E |
| Python | \U0001D25E |
| Python by name | \N{MUSICAL SYMBOL FINGERED TREMOLO-5} |
| Java, C# | \uD834\uDE5E |
| Rust, Swift | \u{1D25E} |
| Go, C, C++ | \U0001D25E |
| URL (percent-encoded) | %F0%9D%89%9E |
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 | MUSICAL SYMBOL FINGERED TREMOLO-5 |
| Code point | U+1D25E (decimal 119390) |
| Block | Musical Symbols Supplement (U+1D250βU+1D28F) |
| General category | So: Other symbol |
| Script | Common |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 18.0 |
Nearby in Musical Symbols Supplement
- π U+1D256 Musical Symbol Flat With Stroke
- π U+1D257 Musical Symbol Flat With Double Stroke
- π U+1D258 Musical Symbol Flat With Double Stem
- π U+1D259 Musical Symbol Half Sharp With Stroke
- π U+1D25A Musical Symbol Sharp With Stroke
- U+1D25B Musical Symbol Combining Tremolo-4
- U+1D25C Musical Symbol Combining Tremolo-5
- π U+1D25D Musical Symbol Fingered Tremolo-4
- U+1D25F Musical Symbol Combining Buzz Roll Stem
- π U+1D260 Musical Symbol Triple Flat
- π‘ U+1D261 Musical Symbol Suspension
- π’ U+1D262 Musical Symbol Heavy Double Barline
- π£ U+1D263 Musical Symbol System Divider
- π€ U+1D264 Musical Symbol Niente
- π₯ U+1D265 Musical Symbol Crescendo With Ring
- π¦ U+1D266 Musical Symbol Decrescendo With Ring
All 50 characters: Musical Symbols Supplement.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 𝉞 (decimal) or 𝉞 (hex).
- What is the UTF-8 encoding of U+1D25E?
- F0 9D 89 9E (hex), 4 bytes. In a URL it is %F0%9D%89%9E.
- How do I write U+1D25E in JavaScript or Python?
- JavaScript: \u{1D25E} or \uD834\uDE5E. Python: \U0001D25E.
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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