π is the Unicode emoji LOCK WITH INK PEN (βlocked with penβ), code point U+1F50F (decimal 128271) in the Miscellaneous Symbols and Pictographs block, added in Unicode 6.0. In HTML write 🔏, and in UTF-8 it is the 4 bytes F0 9F 94 8F.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F50F |
| Decimal | 128271 |
| UTF-8 bytes | F0 9F 94 8F |
| UTF-16 (big-endian) | D83D DD0F |
| UTF-32 | 0001F50F |
| HTML decimal | 🔏 |
| HTML hex | 🔏 |
| CSS | \1F50F |
| JavaScript | \u{1F50F} or \uD83D\uDD0F |
| JSON | \uD83D\uDD0F |
| Python | \U0001F50F |
| Python by name | \N{LOCK WITH INK PEN} |
| Java, C# | \uD83D\uDD0F |
| Rust, Swift | \u{1F50F} |
| Go, C, C++ | \U0001F50F |
| URL (percent-encoded) | %F0%9F%94%8F |
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 | LOCK WITH INK PEN |
| Emoji name | locked with pen |
| Code point | U+1F50F (decimal 128271) |
| Block | Miscellaneous Symbols and Pictographs (U+1F300βU+1F5FF) |
| 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 Miscellaneous Symbols and Pictographs
- π U+1F507 Muted speaker
- π U+1F508 Speaker low volume
- π U+1F509 Speaker medium volume
- π U+1F50A Speaker high volume
- π U+1F50B Battery
- π U+1F50C Electric plug
- π U+1F50D Magnifying glass tilted left
- π U+1F50E Magnifying glass tilted right
- π U+1F510 Locked with key
- π U+1F511 Key
- π U+1F512 Locked
- π U+1F513 Unlocked
- π U+1F514 Bell
- π U+1F515 Bell with slash
- π U+1F516 Bookmark
- π U+1F517 Link
All 768 characters: Miscellaneous Symbols and Pictographs.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 🔏 (decimal) or 🔏 (hex).
- What is the UTF-8 encoding of U+1F50F?
- F0 9F 94 8F (hex), 4 bytes. In a URL it is %F0%9F%94%8F.
- How do I write U+1F50F in JavaScript or Python?
- JavaScript: \u{1F50F} or \uD83D\uDD0F. Python: \U0001F50F.
Source
Unicode Character Database 18.0.0 (Unicode License v3) and the Unicode emoji test data; 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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