π is the Unicode character SIGNWRITING HAND-FIST INDEX MIDDLE CROSSED, code point U+1D81A (decimal 120858) in the Sutton SignWriting block, added in Unicode 8.0. In HTML write 𝠚, and in UTF-8 it is the 4 bytes F0 9D A0 9A.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1D81A |
| Decimal | 120858 |
| UTF-8 bytes | F0 9D A0 9A |
| UTF-16 (big-endian) | D836 DC1A |
| UTF-32 | 0001D81A |
| HTML decimal | 𝠚 |
| HTML hex | 𝠚 |
| CSS | \1D81A |
| JavaScript | \u{1D81A} or \uD836\uDC1A |
| JSON | \uD836\uDC1A |
| Python | \U0001D81A |
| Python by name | \N{SIGNWRITING HAND-FIST INDEX MIDDLE CROSSED} |
| Java, C# | \uD836\uDC1A |
| Rust, Swift | \u{1D81A} |
| Go, C, C++ | \U0001D81A |
| URL (percent-encoded) | %F0%9D%A0%9A |
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 | SIGNWRITING HAND-FIST INDEX MIDDLE CROSSED |
| Code point | U+1D81A (decimal 120858) |
| Block | Sutton SignWriting (U+1D800βU+1DAAF) |
| General category | So: Other symbol |
| Script | SignWriting |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 8.0 |
Nearby in Sutton SignWriting
- π U+1D812 Signwriting Hand-Fist Index Middle Hinged
- π U+1D813 Signwriting Hand-Fist Index Up Middle Hinged
- π U+1D814 Signwriting Hand-Fist Index Hinged Middle Up
- π U+1D815 Signwriting Hand-Fist Index Middle Conjoined
- π U+1D816 Signwriting Hand-Fist Index Middle Conjoined Index Bent
- π U+1D817 Signwriting Hand-Fist Index Middle Conjoined Middle Bent
- π U+1D818 Signwriting Hand-Fist Index Middle Conjoined Cupped
- π U+1D819 Signwriting Hand-Fist Index Middle Conjoined Hinged
- π U+1D81B Signwriting Hand-Circle Index Middle Crossed
- π U+1D81C Signwriting Hand-Fist Middle Bent Over Index
- π U+1D81D Signwriting Hand-Fist Index Bent Over Middle
- π U+1D81E Signwriting Hand-Fist Index Middle Thumb
- π U+1D81F Signwriting Hand-Circle Index Middle Thumb
- π U+1D820 Signwriting Hand-Fist Index Middle Straight Thumb Bent
- π ‘ U+1D821 Signwriting Hand-Fist Index Middle Bent Thumb Straight
- π ’ U+1D822 Signwriting Hand-Fist Index Middle Thumb Bent
All 672 characters: Sutton SignWriting.
Official reference
Questions people ask
- What is the HTML code for π ?
- Use 𝠚 (decimal) or 𝠚 (hex).
- What is the UTF-8 encoding of U+1D81A?
- F0 9D A0 9A (hex), 4 bytes. In a URL it is %F0%9D%A0%9A.
- How do I write U+1D81A in JavaScript or Python?
- JavaScript: \u{1D81A} or \uD836\uDC1A. Python: \U0001D81A.
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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