π is the Unicode character DECREASE FONT SIZE SYMBOL, code point U+1F5DB (decimal 128475) in the Miscellaneous Symbols and Pictographs block, added in Unicode 7.0. In HTML write 🗛, and in UTF-8 it is the 4 bytes F0 9F 97 9B.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F5DB |
| Decimal | 128475 |
| UTF-8 bytes | F0 9F 97 9B |
| UTF-16 (big-endian) | D83D DDDB |
| UTF-32 | 0001F5DB |
| HTML decimal | 🗛 |
| HTML hex | 🗛 |
| CSS | \1F5DB |
| JavaScript | \u{1F5DB} or \uD83D\uDDDB |
| JSON | \uD83D\uDDDB |
| Python | \U0001F5DB |
| Python by name | \N{DECREASE FONT SIZE SYMBOL} |
| Java, C# | \uD83D\uDDDB |
| Rust, Swift | \u{1F5DB} |
| Go, C, C++ | \U0001F5DB |
| URL (percent-encoded) | %F0%9F%97%9B |
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 | DECREASE FONT SIZE SYMBOL |
| Code point | U+1F5DB (decimal 128475) |
| 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 | 7.0 |
Nearby in Miscellaneous Symbols and Pictographs
- π U+1F5D3 Spiral calendar
- π U+1F5D4 Desktop Window
- π U+1F5D5 Minimize
- π U+1F5D6 Maximize
- π U+1F5D7 Overlap
- π U+1F5D8 Clockwise Right And Left Semicircle Arrows
- π U+1F5D9 Cancellation X
- π U+1F5DA Increase Font Size Symbol
- π U+1F5DC Clamp
- π U+1F5DD Old key
- π U+1F5DE Rolled-up newspaper
- π U+1F5DF Page With Circled Text
- π U+1F5E0 Stock Chart
- π‘ U+1F5E1 Dagger
- π’ U+1F5E2 Lips
- π£ U+1F5E3 Speaking head
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+1F5DB?
- F0 9F 97 9B (hex), 4 bytes. In a URL it is %F0%9F%97%9B.
- How do I write U+1F5DB in JavaScript or Python?
- JavaScript: \u{1F5DB} or \uD83D\uDDDB. Python: \U0001F5DB.
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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