π½ is the Unicode character MATHEMATICAL SANS-SERIF BOLD ITALIC CAPITAL B, code point U+1D63D (decimal 120381) in the Mathematical Alphanumeric Symbols block, added in Unicode 3.1. In HTML write 𝘽, and in UTF-8 it is the 4 bytes F0 9D 98 BD.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1D63D |
| Decimal | 120381 |
| UTF-8 bytes | F0 9D 98 BD |
| UTF-16 (big-endian) | D835 DE3D |
| UTF-32 | 0001D63D |
| HTML decimal | 𝘽 |
| HTML hex | 𝘽 |
| CSS | \1D63D |
| JavaScript | \u{1D63D} or \uD835\uDE3D |
| JSON | \uD835\uDE3D |
| Python | \U0001D63D |
| Python by name | \N{MATHEMATICAL SANS-SERIF BOLD ITALIC CAPITAL B} |
| Java, C# | \uD835\uDE3D |
| Rust, Swift | \u{1D63D} |
| Go, C, C++ | \U0001D63D |
| URL (percent-encoded) | %F0%9D%98%BD |
JavaScript and JSON strings store text as UTF-16, so this character takes two code units (a surrogate pair) and "π½".length is 2. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | MATHEMATICAL SANS-SERIF BOLD ITALIC CAPITAL B |
| Code point | U+1D63D (decimal 120381) |
| Block | Mathematical Alphanumeric Symbols (U+1D400βU+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 SANS-SERIF BOLD ITALIC CAPITAL B 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
- π΅ U+1D635 Mathematical Sans-Serif Italic Small T
- πΆ U+1D636 Mathematical Sans-Serif Italic Small U
- π· U+1D637 Mathematical Sans-Serif Italic Small V
- πΈ U+1D638 Mathematical Sans-Serif Italic Small W
- πΉ U+1D639 Mathematical Sans-Serif Italic Small X
- πΊ U+1D63A Mathematical Sans-Serif Italic Small Y
- π» U+1D63B Mathematical Sans-Serif Italic Small Z
- πΌ U+1D63C Mathematical Sans-Serif Bold Italic Capital A
- πΎ U+1D63E Mathematical Sans-Serif Bold Italic Capital C
- πΏ U+1D63F Mathematical Sans-Serif Bold Italic Capital D
- π U+1D640 Mathematical Sans-Serif Bold Italic Capital E
- π U+1D641 Mathematical Sans-Serif Bold Italic Capital F
- π U+1D642 Mathematical Sans-Serif Bold Italic Capital G
- π U+1D643 Mathematical Sans-Serif Bold Italic Capital H
- π U+1D644 Mathematical Sans-Serif Bold Italic Capital I
- π U+1D645 Mathematical Sans-Serif Bold Italic Capital J
All 997 characters: Mathematical Alphanumeric Symbols.
Official reference
Questions people ask
- What is the HTML code for π½?
- Use 𝘽 (decimal) or 𝘽 (hex).
- What is the UTF-8 encoding of U+1D63D?
- F0 9D 98 BD (hex), 4 bytes. In a URL it is %F0%9D%98%BD.
- How do I write U+1D63D in JavaScript or Python?
- JavaScript: \u{1D63D} or \uD835\uDE3D. Python: \U0001D63D.
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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