π is the Unicode character CUNEIFORM SIGN KAD3, code point U+12191 (decimal 74129) in the Cuneiform block, added in Unicode 5.0. In HTML write 𒆑, and in UTF-8 it is the 4 bytes F0 92 86 91.
Codes
| Where | How to write it |
|---|---|
| Code point | U+12191 |
| Decimal | 74129 |
| UTF-8 bytes | F0 92 86 91 |
| UTF-16 (big-endian) | D808 DD91 |
| UTF-32 | 00012191 |
| HTML decimal | 𒆑 |
| HTML hex | 𒆑 |
| CSS | \12191 |
| JavaScript | \u{12191} or \uD808\uDD91 |
| JSON | \uD808\uDD91 |
| Python | \U00012191 |
| Python by name | \N{CUNEIFORM SIGN KAD3} |
| Java, C# | \uD808\uDD91 |
| Rust, Swift | \u{12191} |
| Go, C, C++ | \U00012191 |
| URL (percent-encoded) | %F0%92%86%91 |
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 | CUNEIFORM SIGN KAD3 |
| Code point | U+12191 (decimal 74129) |
| Block | Cuneiform (U+12000βU+123FF) |
| General category | Lo: Other letter |
| Script | Cuneiform |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 5.0 |
Nearby in Cuneiform
- π U+12189 Cuneiform Sign Ka Times Ud
- π U+1218A Cuneiform Sign Ka Times Umum Times Pa
- π U+1218B Cuneiform Sign Ka Times Ush
- π U+1218C Cuneiform Sign Ka Times Zi
- π U+1218D Cuneiform Sign Ka2
- π U+1218E Cuneiform Sign Ka2 Crossing Ka2
- π U+1218F Cuneiform Sign Kab
- π U+12190 Cuneiform Sign Kad2
- π U+12192 Cuneiform Sign Kad4
- π U+12193 Cuneiform Sign Kad5
- π U+12194 Cuneiform Sign Kad5 Over Kad5
- π U+12195 Cuneiform Sign Kak
- π U+12196 Cuneiform Sign Kak Times Igi Gunu
- π U+12197 Cuneiform Sign Kal
- π U+12198 Cuneiform Sign Kal Times Bad
- π U+12199 Cuneiform Sign Kal Crossing Kal
All 922 characters: Cuneiform.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 𒆑 (decimal) or 𒆑 (hex).
- What is the UTF-8 encoding of U+12191?
- F0 92 86 91 (hex), 4 bytes. In a URL it is %F0%92%86%91.
- How do I write U+12191 in JavaScript or Python?
- JavaScript: \u{12191} or \uD808\uDD91. Python: \U00012191.
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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