π is the Unicode character CUNEIFORM NUMERIC SIGN ONE N01, code point U+12550 (decimal 75088) in the Archaic Cuneiform Numerals block, added in Unicode 18.0. In HTML write 𒕐, and in UTF-8 it is the 4 bytes F0 92 95 90.
Codes
| Where | How to write it |
|---|---|
| Code point | U+12550 |
| Decimal | 75088 |
| UTF-8 bytes | F0 92 95 90 |
| UTF-16 (big-endian) | D809 DD50 |
| UTF-32 | 00012550 |
| HTML decimal | 𒕐 |
| HTML hex | 𒕐 |
| CSS | \12550 |
| JavaScript | \u{12550} or \uD809\uDD50 |
| JSON | \uD809\uDD50 |
| Python | \U00012550 |
| Python by name | \N{CUNEIFORM NUMERIC SIGN ONE N01} |
| Java, C# | \uD809\uDD50 |
| Rust, Swift | \u{12550} |
| Go, C, C++ | \U00012550 |
| URL (percent-encoded) | %F0%92%95%90 |
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 NUMERIC SIGN ONE N01 |
| Code point | U+12550 (decimal 75088) |
| Block | Archaic Cuneiform Numerals (U+12550βU+1268F) |
| General category | Nl: Letter number |
| Script | Cuneiform |
| Bidirectional class | L: Left-to-right |
| Numeric value | 1 |
| Mirrored in right-to-left text | No |
| First in Unicode version | 18.0 |
Nearby in Archaic Cuneiform Numerals
- π U+12551 Cuneiform Numeric Sign Two N01
- π U+12552 Cuneiform Numeric Sign Three N01
- π U+12553 Cuneiform Numeric Sign Four N01
- π U+12554 Cuneiform Numeric Sign Five N01
- π U+12555 Cuneiform Numeric Sign Six N01
- π U+12556 Cuneiform Numeric Sign Seven N01
- π U+12557 Cuneiform Numeric Sign Eight N01
- π U+12558 Cuneiform Numeric Sign Nine N01
All 311 characters: Archaic Cuneiform Numerals.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 𒕐 (decimal) or 𒕐 (hex).
- What is the UTF-8 encoding of U+12550?
- F0 92 95 90 (hex), 4 bytes. In a URL it is %F0%92%95%90.
- How do I write U+12550 in JavaScript or Python?
- JavaScript: \u{12550} or \uD809\uDD50. Python: \U00012550.
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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