π is the Unicode character LINEAR B SYLLABLE B033 RA3, code point U+10049 (decimal 65609) in the Linear B Syllabary block, added in Unicode 4.0. In HTML write 𐁉, and in UTF-8 it is the 4 bytes F0 90 81 89.
Codes
| Where | How to write it |
|---|---|
| Code point | U+10049 |
| Decimal | 65609 |
| UTF-8 bytes | F0 90 81 89 |
| UTF-16 (big-endian) | D800 DC49 |
| UTF-32 | 00010049 |
| HTML decimal | 𐁉 |
| HTML hex | 𐁉 |
| CSS | \10049 |
| JavaScript | \u{10049} or \uD800\uDC49 |
| JSON | \uD800\uDC49 |
| Python | \U00010049 |
| Python by name | \N{LINEAR B SYLLABLE B033 RA3} |
| Java, C# | \uD800\uDC49 |
| Rust, Swift | \u{10049} |
| Go, C, C++ | \U00010049 |
| URL (percent-encoded) | %F0%90%81%89 |
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 SYLLABLE B033 RA3 |
| Code point | U+10049 (decimal 65609) |
| Block | Linear B Syllabary (U+10000βU+1007F) |
| 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 Syllabary
- π U+10041 Linear B Syllable B043 A3
- π U+10042 Linear B Syllable B085 Au
- π U+10043 Linear B Syllable B071 Dwe
- π U+10044 Linear B Syllable B090 Dwo
- π U+10045 Linear B Syllable B048 Nwa
- π U+10046 Linear B Syllable B029 Pu2
- π U+10047 Linear B Syllable B062 Pte
- π U+10048 Linear B Syllable B076 Ra2
- π U+1004A Linear B Syllable B068 Ro2
- π U+1004B Linear B Syllable B066 Ta2
- π U+1004C Linear B Syllable B087 Twe
- π U+1004D Linear B Syllable B091 Two
- π U+10050 Linear B Symbol B018
- π U+10051 Linear B Symbol B019
- π U+10052 Linear B Symbol B022
- π U+10053 Linear B Symbol B034
All 88 characters: Linear B Syllabary.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 𐁉 (decimal) or 𐁉 (hex).
- What is the UTF-8 encoding of U+10049?
- F0 90 81 89 (hex), 4 bytes. In a URL it is %F0%90%81%89.
- How do I write U+10049 in JavaScript or Python?
- JavaScript: \u{10049} or \uD800\uDC49. Python: \U00010049.
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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