π is the Unicode character MUSICAL SYMBOL PLUS NOTEHEAD, code point U+1D144 (decimal 119108) in the Musical Symbols block, added in Unicode 3.1. In HTML write 𝅄, and in UTF-8 it is the 4 bytes F0 9D 85 84.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1D144 |
| Decimal | 119108 |
| UTF-8 bytes | F0 9D 85 84 |
| UTF-16 (big-endian) | D834 DD44 |
| UTF-32 | 0001D144 |
| HTML decimal | 𝅄 |
| HTML hex | 𝅄 |
| CSS | \1D144 |
| JavaScript | \u{1D144} or \uD834\uDD44 |
| JSON | \uD834\uDD44 |
| Python | \U0001D144 |
| Python by name | \N{MUSICAL SYMBOL PLUS NOTEHEAD} |
| Java, C# | \uD834\uDD44 |
| Rust, Swift | \u{1D144} |
| Go, C, C++ | \U0001D144 |
| URL (percent-encoded) | %F0%9D%85%84 |
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 PLUS NOTEHEAD |
| Code point | U+1D144 (decimal 119108) |
| Block | Musical Symbols (U+1D100βU+1D1FF) |
| General category | So: Other symbol |
| Script | Common |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 3.1 |
Nearby in Musical Symbols
- πΌ U+1D13C Musical Symbol Half Rest
- π½ U+1D13D Musical Symbol Quarter Rest
- πΎ U+1D13E Musical Symbol Eighth Rest
- πΏ U+1D13F Musical Symbol Sixteenth Rest
- π U+1D140 Musical Symbol Thirty-Second Rest
- π U+1D141 Musical Symbol Sixty-Fourth Rest
- π U+1D142 Musical Symbol One Hundred Twenty-Eighth Rest
- π U+1D143 Musical Symbol X Notehead
- π U+1D145 Musical Symbol Circle X Notehead
- π U+1D146 Musical Symbol Square Notehead White
- π U+1D147 Musical Symbol Square Notehead Black
- π U+1D148 Musical Symbol Triangle Notehead Up White
- π U+1D149 Musical Symbol Triangle Notehead Up Black
- π U+1D14A Musical Symbol Triangle Notehead Left White
- π U+1D14B Musical Symbol Triangle Notehead Left Black
- π U+1D14C Musical Symbol Triangle Notehead Right White
All 256 characters: Musical Symbols.
Official reference
Questions people ask
- What is the HTML code for π ?
- Use 𝅄 (decimal) or 𝅄 (hex).
- What is the UTF-8 encoding of U+1D144?
- F0 9D 85 84 (hex), 4 bytes. In a URL it is %F0%9D%85%84.
- How do I write U+1D144 in JavaScript or Python?
- JavaScript: \u{1D144} or \uD834\uDD44. Python: \U0001D144.
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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