б is the Unicode character CYRILLIC SMALL LETTER BE, code point U+0431 (decimal 1073) in the Cyrillic block, added in Unicode 1.1. In HTML write б, and in UTF-8 it is the 2 bytes D0 B1.
Codes
| Where | How to write it |
|---|---|
| Code point | U+0431 |
| Decimal | 1073 |
| UTF-8 bytes | D0 B1 |
| UTF-16 (big-endian) | 0431 |
| UTF-32 | 00000431 |
| HTML decimal | б |
| HTML hex | б |
| HTML named | б |
| CSS | \431 |
| JavaScript | \u0431 |
| JSON | \u0431 |
| Python | \u0431 |
| Python by name | \N{CYRILLIC SMALL LETTER BE} |
| Java, C# | \u0431 |
| Rust, Swift | \u{431} |
| Go, C, C++ | \u0431 |
| URL (percent-encoded) | %D0%B1 |
JavaScript and JSON strings store text as UTF-16, so this character is one code unit long. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | CYRILLIC SMALL LETTER BE |
| Code point | U+0431 (decimal 1073) |
| Block | Cyrillic (U+0400–U+04FF) |
| General category | Ll: Lowercase letter |
| Script | Cyrillic |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 1.1 |
Upper and lower case
- Б U+0411 Cyrillic Capital Letter Be — Uppercase
Nearby in Cyrillic
- Щ U+0429 Cyrillic Capital Letter Shcha
- Ъ U+042A Cyrillic Capital Letter Hard Sign
- Ы U+042B Cyrillic Capital Letter Yeru
- Ь U+042C Cyrillic Capital Letter Soft Sign
- Э U+042D Cyrillic Capital Letter E
- Ю U+042E Cyrillic Capital Letter Yu
- Я U+042F Cyrillic Capital Letter Ya
- а U+0430 Cyrillic Small Letter A
- в U+0432 Cyrillic Small Letter Ve
- г U+0433 Cyrillic Small Letter Ghe
- д U+0434 Cyrillic Small Letter De
- е U+0435 Cyrillic Small Letter Ie
- ж U+0436 Cyrillic Small Letter Zhe
- з U+0437 Cyrillic Small Letter Ze
- и U+0438 Cyrillic Small Letter I
- й U+0439 Cyrillic Small Letter Short I
All 256 characters: Cyrillic.
Official reference
Questions people ask
- What is the HTML code for б?
- Use the named entity б, or б (decimal) or б (hex).
- What is the UTF-8 encoding of U+0431?
- D0 B1 (hex), 2 bytes. In a URL it is %D0%B1.
- How do I write U+0431 in JavaScript or Python?
- JavaScript: \u0431. Python: \u0431.
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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