π is the Unicode character CROSS POMMEE WITH HALF-CIRCLE BELOW, code point U+1F541 (decimal 128321) in the Miscellaneous Symbols and Pictographs block, added in Unicode 6.1. In HTML write 🕁, and in UTF-8 it is the 4 bytes F0 9F 95 81.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F541 |
| Decimal | 128321 |
| UTF-8 bytes | F0 9F 95 81 |
| UTF-16 (big-endian) | D83D DD41 |
| UTF-32 | 0001F541 |
| HTML decimal | 🕁 |
| HTML hex | 🕁 |
| CSS | \1F541 |
| JavaScript | \u{1F541} or \uD83D\uDD41 |
| JSON | \uD83D\uDD41 |
| Python | \U0001F541 |
| Python by name | \N{CROSS POMMEE WITH HALF-CIRCLE BELOW} |
| Java, C# | \uD83D\uDD41 |
| Rust, Swift | \u{1F541} |
| Go, C, C++ | \U0001F541 |
| URL (percent-encoded) | %F0%9F%95%81 |
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 | CROSS POMMEE WITH HALF-CIRCLE BELOW |
| Code point | U+1F541 (decimal 128321) |
| 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 | 6.1 |
Nearby in Miscellaneous Symbols and Pictographs
- πΉ U+1F539 Small blue diamond
- πΊ U+1F53A Red triangle pointed up
- π» U+1F53B Red triangle pointed down
- πΌ U+1F53C Upwards button
- π½ U+1F53D Downwards button
- πΎ U+1F53E Lower Right Shadowed White Circle
- πΏ U+1F53F Upper Right Shadowed White Circle
- π U+1F540 Circled Cross Pommee
- π U+1F542 Cross Pommee
- π U+1F543 Notched Left Semicircle With Three Dots
- π U+1F544 Notched Right Semicircle With Three Dots
- π U+1F545 Symbol For Marks Chapter
- π U+1F546 White Latin Cross
- π U+1F547 Heavy Latin Cross
- π U+1F548 Celtic Cross
- π U+1F549 Om
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+1F541?
- F0 9F 95 81 (hex), 4 bytes. In a URL it is %F0%9F%95%81.
- How do I write U+1F541 in JavaScript or Python?
- JavaScript: \u{1F541} or \uD83D\uDD41. Python: \U0001F541.
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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