π is the Unicode character CUNEIFORM SIGN PI TIMES AB, code point U+12281 (decimal 74369) in the Cuneiform block, added in Unicode 5.0. In HTML write 𒊁, and in UTF-8 it is the 4 bytes F0 92 8A 81.
Codes
| Where | How to write it |
|---|---|
| Code point | U+12281 |
| Decimal | 74369 |
| UTF-8 bytes | F0 92 8A 81 |
| UTF-16 (big-endian) | D808 DE81 |
| UTF-32 | 00012281 |
| HTML decimal | 𒊁 |
| HTML hex | 𒊁 |
| CSS | \12281 |
| JavaScript | \u{12281} or \uD808\uDE81 |
| JSON | \uD808\uDE81 |
| Python | \U00012281 |
| Python by name | \N{CUNEIFORM SIGN PI TIMES AB} |
| Java, C# | \uD808\uDE81 |
| Rust, Swift | \u{12281} |
| Go, C, C++ | \U00012281 |
| URL (percent-encoded) | %F0%92%8A%81 |
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 PI TIMES AB |
| Code point | U+12281 (decimal 74369) |
| 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
- πΉ U+12279 Cuneiform Sign Nunuz Kisim5 Times Bi U
- πΊ U+1227A Cuneiform Sign Pa
- π» U+1227B Cuneiform Sign Pad
- πΌ U+1227C Cuneiform Sign Pan
- π½ U+1227D Cuneiform Sign Pap
- πΎ U+1227E Cuneiform Sign Pesh2
- πΏ U+1227F Cuneiform Sign Pi
- π U+12280 Cuneiform Sign Pi Times A
- π U+12282 Cuneiform Sign Pi Times Bi
- π U+12283 Cuneiform Sign Pi Times Bu
- π U+12284 Cuneiform Sign Pi Times E
- π U+12285 Cuneiform Sign Pi Times I
- π U+12286 Cuneiform Sign Pi Times Ib
- π U+12287 Cuneiform Sign Pi Times U
- π U+12288 Cuneiform Sign Pi Times U2
- π U+12289 Cuneiform Sign Pi Crossing Pi
All 922 characters: Cuneiform.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 𒊁 (decimal) or 𒊁 (hex).
- What is the UTF-8 encoding of U+12281?
- F0 92 8A 81 (hex), 4 bytes. In a URL it is %F0%92%8A%81.
- How do I write U+12281 in JavaScript or Python?
- JavaScript: \u{12281} or \uD808\uDE81. Python: \U00012281.
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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