Mathematical Double-Struck Capital I 𝕀
Symbol Meaning
Mathematical Double-Struck Capital I. Mathematical Alphanumeric Symbols.
The symbol “Mathematical Double-Struck Capital I” is included in the “Double-struck symbols” subblock of the “Mathematical Alphanumeric Symbols” block and was approved as part of Unicode version 3.1 in 2001.
| Unicode Name | Mathematical Double-Struck Capital I |
| Unicode Number | |
| HTML Code | |
| CSS Code | |
| Plane | 1: Supplementary Multilingual Plane |
| Unicode Block | Mathematical Alphanumeric Symbols |
| Unicode Subblock | Double-struck symbols |
| Unicode Version | 3.1 (2001) |
| Type of paired mirror bracket (bidi) | None |
| Composition Exclusion | No |
| Case change | 1D540 |
| Simple case change | 1D540 |
| Math | + |
| Alphabetic | + |
| Uppercase | + |
| Cased | + |
| ID_Start | + |
| ID_Continue | + |
| XID_Start | + |
| XID_Continue | + |
| Grapheme_Base | + |
| scripts | Common |
| Other_Math | + |
| Encoding | hex | dec (bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | F0 9D 95 80 | 240 157 149 128 | 4036859264 | 11110000 10011101 10010101 10000000 |
| UTF-16BE | D8 35 DD 40 | 216 53 221 64 | 3627408704 | 11011000 00110101 11011101 01000000 |
| UTF-16LE | 35 D8 40 DD | 53 216 64 221 | 903364829 | 00110101 11011000 01000000 11011101 |
| UTF-32BE | 00 01 D5 40 | 0 1 213 64 | 120128 | 00000000 00000001 11010101 01000000 |
| UTF-32LE | 40 D5 01 00 | 64 213 1 0 | 1087701248 | 01000000 11010101 00000001 00000000 |