π is the Unicode character BACK OF ENVELOPE, code point U+1F582 (decimal 128386) 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 96 82.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F582 |
| Decimal | 128386 |
| UTF-8 bytes | F0 9F 96 82 |
| UTF-16 (big-endian) | D83D DD82 |
| UTF-32 | 0001F582 |
| HTML decimal | 🖂 |
| HTML hex | 🖂 |
| CSS | \1F582 |
| JavaScript | \u{1F582} or \uD83D\uDD82 |
| JSON | \uD83D\uDD82 |
| Python | \U0001F582 |
| Python by name | \N{BACK OF ENVELOPE} |
| Java, C# | \uD83D\uDD82 |
| Rust, Swift | \u{1F582} |
| Go, C, C++ | \U0001F582 |
| URL (percent-encoded) | %F0%9F%96%82 |
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 | BACK OF ENVELOPE |
| Code point | U+1F582 (decimal 128386) |
| 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
- πΊ U+1F57A Man dancing
- π» U+1F57B Left Hand Telephone Receiver
- πΌ U+1F57C Telephone Receiver With Page
- π½ U+1F57D Right Hand Telephone Receiver
- πΎ U+1F57E White Touchtone Telephone
- πΏ U+1F57F Black Touchtone Telephone
- π U+1F580 Telephone On Top Of Modem
- π U+1F581 Clamshell Mobile Phone
- π U+1F583 Stamped Envelope
- π U+1F584 Envelope With Lightning
- π U+1F585 Flying Envelope
- π U+1F586 Pen Over Stamped Envelope
- π U+1F587 Linked paperclips
- π U+1F588 Black Pushpin
- π U+1F589 Lower Left Pencil
- π U+1F58A Pen
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+1F582?
- F0 9F 96 82 (hex), 4 bytes. In a URL it is %F0%9F%96%82.
- How do I write U+1F582 in JavaScript or Python?
- JavaScript: \u{1F582} or \uD83D\uDD82. Python: \U0001F582.
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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