πΉ is the Unicode character MATHEMATICAL BOLD ITALIC CAPITAL R, code point U+1D479 (decimal 119929) in the Mathematical Alphanumeric Symbols block, added in Unicode 3.1. In HTML write 𝑹, and in UTF-8 it is the 4 bytes F0 9D 91 B9.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1D479 |
| Decimal | 119929 |
| UTF-8 bytes | F0 9D 91 B9 |
| UTF-16 (big-endian) | D835 DC79 |
| UTF-32 | 0001D479 |
| HTML decimal | 𝑹 |
| HTML hex | 𝑹 |
| CSS | \1D479 |
| JavaScript | \u{1D479} or \uD835\uDC79 |
| JSON | \uD835\uDC79 |
| Python | \U0001D479 |
| Python by name | \N{MATHEMATICAL BOLD ITALIC CAPITAL R} |
| Java, C# | \uD835\uDC79 |
| Rust, Swift | \u{1D479} |
| Go, C, C++ | \U0001D479 |
| URL (percent-encoded) | %F0%9D%91%B9 |
JavaScript and JSON strings store text as UTF-16, so this character takes two code units (a surrogate pair) and "πΉ".length is 2. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | MATHEMATICAL BOLD ITALIC CAPITAL R |
| Code point | U+1D479 (decimal 119929) |
| 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 BOLD ITALIC CAPITAL R 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+1D471 Mathematical Bold Italic Capital J
- π² U+1D472 Mathematical Bold Italic Capital K
- π³ U+1D473 Mathematical Bold Italic Capital L
- π΄ U+1D474 Mathematical Bold Italic Capital M
- π΅ U+1D475 Mathematical Bold Italic Capital N
- πΆ U+1D476 Mathematical Bold Italic Capital O
- π· U+1D477 Mathematical Bold Italic Capital P
- πΈ U+1D478 Mathematical Bold Italic Capital Q
- πΊ U+1D47A Mathematical Bold Italic Capital S
- π» U+1D47B Mathematical Bold Italic Capital T
- πΌ U+1D47C Mathematical Bold Italic Capital U
- π½ U+1D47D Mathematical Bold Italic Capital V
- πΎ U+1D47E Mathematical Bold Italic Capital W
- πΏ U+1D47F Mathematical Bold Italic Capital X
- π U+1D480 Mathematical Bold Italic Capital Y
- π U+1D481 Mathematical Bold Italic Capital Z
All 997 characters: Mathematical Alphanumeric Symbols.
Official reference
Questions people ask
- What is the HTML code for πΉ?
- Use 𝑹 (decimal) or 𝑹 (hex).
- What is the UTF-8 encoding of U+1D479?
- F0 9D 91 B9 (hex), 4 bytes. In a URL it is %F0%9D%91%B9.
- How do I write U+1D479 in JavaScript or Python?
- JavaScript: \u{1D479} or \uD835\uDC79. Python: \U0001D479.
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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