π is the Unicode emoji EYE, code point U+1F441 (decimal 128065) 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 91 81.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F441 |
| Decimal | 128065 |
| UTF-8 bytes | F0 9F 91 81 |
| UTF-16 (big-endian) | D83D DC41 |
| UTF-32 | 0001F441 |
| HTML decimal | 👁 |
| HTML hex | 👁 |
| CSS | \1F441 |
| JavaScript | \u{1F441} or \uD83D\uDC41 |
| JSON | \uD83D\uDC41 |
| Python | \U0001F441 |
| Python by name | \N{EYE} |
| Java, C# | \uD83D\uDC41 |
| Rust, Swift | \u{1F441} |
| Go, C, C++ | \U0001F441 |
| URL (percent-encoded) | %F0%9F%91%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 | EYE |
| Emoji name | eye |
| Code point | U+1F441 (decimal 128065) |
| 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
- πΉ U+1F439 Hamster
- πΊ U+1F43A Wolf
- π» U+1F43B Bear
- πΌ U+1F43C Panda
- π½ U+1F43D Pig nose
- πΎ U+1F43E Paw prints
- πΏ U+1F43F Chipmunk
- π U+1F440 Eyes
- π U+1F442 Ear
- π U+1F443 Nose
- π U+1F444 Mouth
- π U+1F445 Tongue
- π U+1F446 Backhand index pointing up
- π U+1F447 Backhand index pointing down
- π U+1F448 Backhand index pointing left
- π U+1F449 Backhand index pointing right
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+1F441?
- F0 9F 91 81 (hex), 4 bytes. In a URL it is %F0%9F%91%81.
- How do I write U+1F441 in JavaScript or Python?
- JavaScript: \u{1F441} or \uD83D\uDC41. Python: \U0001F441.
Source
Unicode Character Database 18.0.0 (Unicode License v3) and the Unicode emoji test data; 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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