๐จ is the Unicode character MATHEMATICAL BOLD CAPITAL ALPHA, code point U+1D6A8 (decimal 120488) in the Mathematical Alphanumeric Symbols block, added in Unicode 3.1. In HTML write 𝚨, and in UTF-8 it is the 4 bytes F0 9D 9A A8.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1D6A8 |
| Decimal | 120488 |
| UTF-8 bytes | F0 9D 9A A8 |
| UTF-16 (big-endian) | D835 DEA8 |
| UTF-32 | 0001D6A8 |
| HTML decimal | 𝚨 |
| HTML hex | 𝚨 |
| CSS | \1D6A8 |
| JavaScript | \u{1D6A8} or \uD835\uDEA8 |
| JSON | \uD835\uDEA8 |
| Python | \U0001D6A8 |
| Python by name | \N{MATHEMATICAL BOLD CAPITAL ALPHA} |
| Java, C# | \uD835\uDEA8 |
| Rust, Swift | \u{1D6A8} |
| Go, C, C++ | \U0001D6A8 |
| URL (percent-encoded) | %F0%9D%9A%A8 |
JavaScript and JSON strings store text as UTF-16, so this character takes two code units (a surrogate pair) and "๐จ".length is 2. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | MATHEMATICAL BOLD CAPITAL ALPHA |
| Code point | U+1D6A8 (decimal 120488) |
| Block | Mathematical Alphanumeric Symbols (U+1D400โU+1D7FF) |
| General category | Lu: Uppercase letter |
| Script | Common |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 3.1 |
Decomposition
MATHEMATICAL BOLD CAPITAL ALPHA has a compatibility decomposition (font) to the sequence below. NFKC and NFKD normalisation replace it with that sequence, which can change how text looks, so use them for search, not for storage.
Nearby in Mathematical Alphanumeric Symbols
- ๐ U+1D69F Mathematical Monospace Small V
- ๐ U+1D6A0 Mathematical Monospace Small W
- ๐ก U+1D6A1 Mathematical Monospace Small X
- ๐ข U+1D6A2 Mathematical Monospace Small Y
- ๐ฃ U+1D6A3 Mathematical Monospace Small Z
- ๐ค U+1D6A4 Mathematical Italic Small Dotless I
- ๐ฅ U+1D6A5 Mathematical Italic Small Dotless J
- ๐ฆ U+1D6A6 Mathematical Italic Small Ligature Long S With Descender S
- ๐ฉ U+1D6A9 Mathematical Bold Capital Beta
- ๐ช U+1D6AA Mathematical Bold Capital Gamma
- ๐ซ U+1D6AB Mathematical Bold Capital Delta
- ๐ฌ U+1D6AC Mathematical Bold Capital Epsilon
- ๐ญ U+1D6AD Mathematical Bold Capital Zeta
- ๐ฎ U+1D6AE Mathematical Bold Capital Eta
- ๐ฏ U+1D6AF Mathematical Bold Capital Theta
- ๐ฐ U+1D6B0 Mathematical Bold Capital Iota
All 997 characters: Mathematical Alphanumeric Symbols.
Official reference
Questions people ask
- What is the HTML code for ๐จ?
- Use 𝚨 (decimal) or 𝚨 (hex).
- What is the UTF-8 encoding of U+1D6A8?
- F0 9D 9A A8 (hex), 4 bytes. In a URL it is %F0%9D%9A%A8.
- How do I write U+1D6A8 in JavaScript or Python?
- JavaScript: \u{1D6A8} or \uD835\uDEA8. Python: \U0001D6A8.
Source
Unicode Character Database 18.0.0 (Unicode License v3); HTML entity names from the WHATWG HTML Standard (CC BY 4.0). The encodings above are computed from the code point and checked against Python's encoders. How the character looks depends on your fonts.
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