π is the Unicode character NOTE PAGE, code point U+1F5C9 (decimal 128457) 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 89.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F5C9 |
| Decimal | 128457 |
| UTF-8 bytes | F0 9F 97 89 |
| UTF-16 (big-endian) | D83D DDC9 |
| UTF-32 | 0001F5C9 |
| HTML decimal | 🗉 |
| HTML hex | 🗉 |
| CSS | \1F5C9 |
| JavaScript | \u{1F5C9} or \uD83D\uDDC9 |
| JSON | \uD83D\uDDC9 |
| Python | \U0001F5C9 |
| Python by name | \N{NOTE PAGE} |
| Java, C# | \uD83D\uDDC9 |
| Rust, Swift | \u{1F5C9} |
| Go, C, C++ | \U0001F5C9 |
| URL (percent-encoded) | %F0%9F%97%89 |
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 | NOTE PAGE |
| Code point | U+1F5C9 (decimal 128457) |
| 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+1F5C1 Open Folder
- π U+1F5C2 Card index dividers
- π U+1F5C3 Card file box
- π U+1F5C4 File cabinet
- π U+1F5C5 Empty Note
- π U+1F5C6 Empty Note Page
- π U+1F5C7 Empty Note Pad
- π U+1F5C8 Note
- π U+1F5CA Note Pad
- π U+1F5CB Empty Document
- π U+1F5CC Empty Page
- π U+1F5CD Empty Pages
- π U+1F5CE Document
- π U+1F5CF Page
- π U+1F5D0 Pages
- π U+1F5D1 Wastebasket
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+1F5C9?
- F0 9F 97 89 (hex), 4 bytes. In a URL it is %F0%9F%97%89.
- How do I write U+1F5C9 in JavaScript or Python?
- JavaScript: \u{1F5C9} or \uD83D\uDDC9. Python: \U0001F5C9.
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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