U+1D539
CHARACTER
MATHEMATICAL DOUBLE-STRUCK CAPITAL B
Category:
Uppercase Letter (Lu)
Block:
Mathematical Alphanumeric Symbols
Script:
Common
Age:
Unicode 3.1
Plane:
Supplementary Multilingual Plane (SMP)
Quick Facts
| Unicode Name |
MATHEMATICAL DOUBLE-STRUCK CAPITAL B
|
|
|---|---|---|
| Code Point |
U+1D539
|
|
| Decimal Value |
120121
|
|
| General Category | Uppercase Letter (Lu) → | |
| Unicode Block | Mathematical Alphanumeric Symbols → | |
| Script | Common → | |
| Unicode Version | Unicode 3.1 → | |
| Unicode Plane |
Supplementary Multilingual Plane (SMP)
|
Byte Encodings
| UTF-8 4 bytes |
F0 9D 94 B9
|
|
|---|---|---|
| UTF-16 Surrogate Pair |
D835 DD39
High:
U+D835 (\uD835)
Low: U+DD39 (\uDD39)
|
|
| UTF-32 4 bytes |
0001D539
|
|
| UTF-16BE / LE Byte Order |
BE:
D8 35 DD 39
LE: 35 D8 39 DD
|
|
| UTF-32BE / LE Byte Order |
BE:
00 01 D5 39
LE: 39 D5 01 00
|
Developer Code Escapes
| HTML Decimal |
𝔹
|
|
|---|---|---|
| HTML Hexadecimal |
𝔹
|
|
| HTML Named Entity |
None
|
|
| CSS Escape |
\01D539
|
|
| JavaScript (ES6) |
\u{1D539}
|
|
| JavaScript (UTF-16) |
\uD835\uDD39
|
|
| JSON Escape |
\uD835\uDD39
|
|
| Python |
\U0001D539
|
|
| PHP |
"\u{1D539}"
|
|
| Java |
"\uD835\uDD39"
|
|
| C / C++ |
"\U0001D539"
|
|
| Rust |
'\u{1d539}'
|
|
| URL Percent-Encoded |
%F0%9D%94%B9
|
Normalization & Decomposition
| Combining Class |
0 — Not Reordered (Spacing)
|
|
|---|---|---|
| Decomposition |
<font> 0042
font
|
|
| NFC / NFD Forms | Compatibility decomposition (<font>): NFKD/NFKC normalize to equivalent base characters. |
Bidirectional Properties
| Bidi Class |
L — Left-to-Right
|
|
|---|---|---|
| Bidi Mirrored | No |
Font Specimen & Rendering
Visual rendering of U+1D539 across standard system font stacks. Rendering fidelity depends on installed OS font glyph coverage.
𝔹
Context:
A 𝔹 Z 123
𝔹
Context:
A 𝔹 Z 123
𝔹
Context:
A 𝔹 Z 123
𝔹
Context:
A 𝔹 Z 123