π is the Unicode character ALCHEMICAL SYMBOL FOR ROCK SALT, code point U+1F718 (decimal 128792) in the Alchemical Symbols block, added in Unicode 6.0. In HTML write 🜘, and in UTF-8 it is the 4 bytes F0 9F 9C 98.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F718 |
| Decimal | 128792 |
| UTF-8 bytes | F0 9F 9C 98 |
| UTF-16 (big-endian) | D83D DF18 |
| UTF-32 | 0001F718 |
| HTML decimal | 🜘 |
| HTML hex | 🜘 |
| CSS | \1F718 |
| JavaScript | \u{1F718} or \uD83D\uDF18 |
| JSON | \uD83D\uDF18 |
| Python | \U0001F718 |
| Python by name | \N{ALCHEMICAL SYMBOL FOR ROCK SALT} |
| Java, C# | \uD83D\uDF18 |
| Rust, Swift | \u{1F718} |
| Go, C, C++ | \U0001F718 |
| URL (percent-encoded) | %F0%9F%9C%98 |
JavaScript and JSON strings store text as UTF-16, so this character takes two code units (a surrogate pair) and "π".length is 2. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | ALCHEMICAL SYMBOL FOR ROCK SALT |
| Code point | U+1F718 (decimal 128792) |
| Block | Alchemical Symbols (U+1F700βU+1F77F) |
| General category | So: Other symbol |
| Script | Common |
| Bidirectional class | ON: Other neutral |
| Mirrored in right-to-left text | No |
| First in Unicode version | 6.0 |
Nearby in Alchemical Symbols
- π U+1F710 Alchemical Symbol For Mercury Sublimate
- π U+1F711 Alchemical Symbol For Mercury Sublimate-2
- π U+1F712 Alchemical Symbol For Mercury Sublimate-3
- π U+1F713 Alchemical Symbol For Cinnabar
- π U+1F714 Alchemical Symbol For Salt
- π U+1F715 Alchemical Symbol For Nitre
- π U+1F716 Alchemical Symbol For Vitriol
- π U+1F717 Alchemical Symbol For Vitriol-2
- π U+1F719 Alchemical Symbol For Rock Salt-2
- π U+1F71A Alchemical Symbol For Gold
- π U+1F71B Alchemical Symbol For Silver
- π U+1F71C Alchemical Symbol For Iron Ore
- π U+1F71D Alchemical Symbol For Iron Ore-2
- π U+1F71E Alchemical Symbol For Crocus Of Iron
- π U+1F71F Alchemical Symbol For Regulus Of Iron
- π U+1F720 Alchemical Symbol For Copper Ore
All 128 characters: Alchemical Symbols.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 🜘 (decimal) or 🜘 (hex).
- What is the UTF-8 encoding of U+1F718?
- F0 9F 9C 98 (hex), 4 bytes. In a URL it is %F0%9F%9C%98.
- How do I write U+1F718 in JavaScript or Python?
- JavaScript: \u{1F718} or \uD83D\uDF18. Python: \U0001F718.
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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