CYRILLIC CAPITAL LETTER IO
Uppercase Letter Cyrillic Cyrillic Unicode 1.1
ⓘ Character Properties
| General Category | Uppercase Letter Lu |
| Block | Cyrillic |
| Unicode Plane | Basic Multilingual Plane (BMP, Plane 0) |
| Unicode Age | Unicode 1.1 |
⚙ Technical Properties
| Combining Class | 0 (Not Reordered) |
| Bidirectional Class | Left-to-Right (L) |
| Bidi Mirrored | No |
| Decomposition Type | Canonical |
| Decomposition Mapping | U+0415 U+0308 |
🔗 Encodings & Representations
UTF-16 (Big Endian)
04 01
UTF-16 (Little Endian)
01 04
UTF-32 (Big Endian)
00 00 04 01
URL Percent-Encoded
%D0%81
JavaScript / JSON Escape
\u0401
🌐 Script Information
| Script | Cyrillic |
| ISO 15924 Code | Cyrl |
| ISO 15924 Number | 220 |
| Script Direction | → LTR |
| Script Type | Alphabet |
🔡 Case Mappings
| Uppercase Mapping | — |
| Lowercase Mapping | U+1105 ᄅ |
| Titlecase Mapping | — |
🏷 Derived Properties
DerivedCoreProperties
AlphabeticCasedChanges_When_CasefoldedChanges_When_CasemappedChanges_When_LowercasedGrapheme_BaseID_ContinueID_StartUppercaseXID_ContinueXID_Start