Mathematical Double-Struck Capital B 𝔹
𝔹
U+1D539
Symbol Meaning
Mathematical Double-Struck Capital B. Mathematical Alphanumeric Symbols.
The symbol “Mathematical Double-Struck Capital B” 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 B |
| Unicode Number | |
| 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 | 1D539 |
| Simple case change | 1D539 |
| 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 94 B9 | 240 157 148 185 | 4036859065 | 11110000 10011101 10010100 10111001 |
| UTF-16BE | D8 35 DD 39 | 216 53 221 57 | 3627408697 | 11011000 00110101 11011101 00111001 |
| UTF-16LE | 35 D8 39 DD | 53 216 57 221 | 903363037 | 00110101 11011000 00111001 11011101 |
| UTF-32BE | 00 01 D5 39 | 0 1 213 57 | 120121 | 00000000 00000001 11010101 00111001 |
| UTF-32LE | 39 D5 01 00 | 57 213 1 0 | 970260736 | 00111001 11010101 00000001 00000000 |
Copy and paste these codes to use the Mathematical Double-Struck Capital B character in text for websites, social media, messengers, or blog posts.
| HTML | |
| CSS | |
| JavaScript, JSON | |
| Unix, C, PHP, JAVA | |
| Ruby, PHP | |
| Perl | |
| URL-encode |