Encoding Table
This table shows the exact bytes used to represent CYRILLIC SMALL LETTER IO in each encoding. Unicode encodings (UTF-8, UTF-16, UTF-32) support every character; legacy encodings only cover a limited character set and show "not supported" when a character falls outside their range.
| Encoding | Bytes (Hex) | Bytes (Decimal) | Byte count |
|---|---|---|---|
| UTF-8 | D1 91 | 209 145 | 2 |
| UTF-16 LE | 51 04 | 81 4 | 2 |
| UTF-16 BE | 04 51 | 4 81 | 2 |
| UTF-32 LE | 51 04 00 00 | 81 4 0 0 | 4 |
| UTF-32 BE | 00 00 04 51 | 0 0 4 81 | 4 |
| ASCII | not supported | ||
| Latin-1 (ISO-8859-1) | not supported | ||
| Windows-1252 | not supported | ||
| ISO-8859-2 (Latin-2) | not supported | ||
| ISO-8859-5 (Cyrillic) | F1 | 241 | 1 |
| KOI8-R | A3 | 163 | 1 |
| Shift-JIS | 84 76 | 132 118 | 2 |
| EUC-JP | A7 D7 | 167 215 | 2 |
| GBK | A7 D7 | 167 215 | 2 |
| Big5 | C7 CE | 199 206 | 2 |
Escape Sequences
How to reference this character in source code, markup, and URLs.
View the glyph in different fonts and scripts on our sibling site.
View U+0451 on CharLookup.com ↗UTF-8 Binary Breakdown
UTF-8 encodes this character as 2 bytes. The leading 110 prefix on byte 1 signals a 2-byte sequence. Bytes 2+ begin with 10 to mark them as continuation bytes.
Unicode Properties
- Unicode Version
- Introduced in Unicode 1.1
- Bidi Class
- L — Left-to-Right
Canonical decomposition — this character is equivalent to the sequence below under NFC/NFD normalization.