π is the Unicode character BOLD WHITE CIRCLE, code point U+1F786 (decimal 128902) in the Geometric Shapes Extended block, added in Unicode 7.0. In HTML write 🞆, and in UTF-8 it is the 4 bytes F0 9F 9E 86.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F786 |
| Decimal | 128902 |
| UTF-8 bytes | F0 9F 9E 86 |
| UTF-16 (big-endian) | D83D DF86 |
| UTF-32 | 0001F786 |
| HTML decimal | 🞆 |
| HTML hex | 🞆 |
| CSS | \1F786 |
| JavaScript | \u{1F786} or \uD83D\uDF86 |
| JSON | \uD83D\uDF86 |
| Python | \U0001F786 |
| Python by name | \N{BOLD WHITE CIRCLE} |
| Java, C# | \uD83D\uDF86 |
| Rust, Swift | \u{1F786} |
| Go, C, C++ | \U0001F786 |
| URL (percent-encoded) | %F0%9F%9E%86 |
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 | BOLD WHITE CIRCLE |
| Code point | U+1F786 (decimal 128902) |
| Block | Geometric Shapes Extended (U+1F780βU+1F7FF) |
| 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 Geometric Shapes Extended
- π U+1F780 Black Left-Pointing Isosceles Right Triangle
- π U+1F781 Black Up-Pointing Isosceles Right Triangle
- π U+1F782 Black Right-Pointing Isosceles Right Triangle
- π U+1F783 Black Down-Pointing Isosceles Right Triangle
- π U+1F784 Black Slightly Small Circle
- π U+1F785 Medium Bold White Circle
- π U+1F787 Heavy White Circle
- π U+1F788 Very Heavy White Circle
- π U+1F789 Extremely Heavy White Circle
- π U+1F78A White Circle Containing Black Small Circle
- π U+1F78B Round Target
- π U+1F78C Black Tiny Square
- π U+1F78D Black Slightly Small Square
- π U+1F78E Light White Square
All 120 characters: Geometric Shapes Extended.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 🞆 (decimal) or 🞆 (hex).
- What is the UTF-8 encoding of U+1F786?
- F0 9F 9E 86 (hex), 4 bytes. In a URL it is %F0%9F%9E%86.
- How do I write U+1F786 in JavaScript or Python?
- JavaScript: \u{1F786} or \uD83D\uDF86. Python: \U0001F786.
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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