π is the Unicode character LINEAR B IDEOGRAM B246, code point U+100D1 (decimal 65745) in the Linear B Ideograms block, added in Unicode 4.0. In HTML write 𐃑, and in UTF-8 it is the 4 bytes F0 90 83 91.
Codes
| Where | How to write it |
|---|---|
| Code point | U+100D1 |
| Decimal | 65745 |
| UTF-8 bytes | F0 90 83 91 |
| UTF-16 (big-endian) | D800 DCD1 |
| UTF-32 | 000100D1 |
| HTML decimal | 𐃑 |
| HTML hex | 𐃑 |
| CSS | \100D1 |
| JavaScript | \u{100D1} or \uD800\uDCD1 |
| JSON | \uD800\uDCD1 |
| Python | \U000100D1 |
| Python by name | \N{LINEAR B IDEOGRAM B246} |
| Java, C# | \uD800\uDCD1 |
| Rust, Swift | \u{100D1} |
| Go, C, C++ | \U000100D1 |
| URL (percent-encoded) | %F0%90%83%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 | LINEAR B IDEOGRAM B246 |
| Code point | U+100D1 (decimal 65745) |
| Block | Linear B Ideograms (U+10080βU+100FF) |
| General category | Lo: Other letter |
| Script | Linear B |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 4.0 |
Nearby in Linear B Ideograms
- π U+100C9 Linear B Ideogram B233 Sword
- π U+100CA Linear B Ideogram B234
- π U+100CB Linear B Ideogram B236
- π U+100CC Linear B Ideogram B240 Wheeled Chariot
- π U+100CD Linear B Ideogram B241 Chariot
- π U+100CE Linear B Ideogram B242 Chariot Frame
- π U+100CF Linear B Ideogram B243 Wheel
- π U+100D0 Linear B Ideogram B245
- π U+100D2 Linear B Monogram B247 Dipte
- π U+100D3 Linear B Ideogram B248
- π U+100D4 Linear B Ideogram B249
- π U+100D5 Linear B Ideogram B251
- π U+100D6 Linear B Ideogram B252
- π U+100D7 Linear B Ideogram B253
- π U+100D8 Linear B Ideogram B254 Dart
- π U+100D9 Linear B Ideogram B255
All 123 characters: Linear B Ideograms.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 𐃑 (decimal) or 𐃑 (hex).
- What is the UTF-8 encoding of U+100D1?
- F0 90 83 91 (hex), 4 bytes. In a URL it is %F0%90%83%91.
- How do I write U+100D1 in JavaScript or Python?
- JavaScript: \u{100D1} or \uD800\uDCD1. Python: \U000100D1.
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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