π is the Unicode emoji EXPRESSIONLESS FACE, code point U+1F611 (decimal 128529) in the Emoticons block, added in Unicode 6.1. In HTML write 😑, and in UTF-8 it is the 4 bytes F0 9F 98 91.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F611 |
| Decimal | 128529 |
| UTF-8 bytes | F0 9F 98 91 |
| UTF-16 (big-endian) | D83D DE11 |
| UTF-32 | 0001F611 |
| HTML decimal | 😑 |
| HTML hex | 😑 |
| CSS | \1F611 |
| JavaScript | \u{1F611} or \uD83D\uDE11 |
| JSON | \uD83D\uDE11 |
| Python | \U0001F611 |
| Python by name | \N{EXPRESSIONLESS FACE} |
| Java, C# | \uD83D\uDE11 |
| Rust, Swift | \u{1F611} |
| Go, C, C++ | \U0001F611 |
| URL (percent-encoded) | %F0%9F%98%91 |
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 | EXPRESSIONLESS FACE |
| Emoji name | expressionless face |
| Code point | U+1F611 (decimal 128529) |
| Block | Emoticons (U+1F600βU+1F64F) |
| 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 Emoticons
- π U+1F609 Winking face
- π U+1F60A Smiling face with smiling eyes
- π U+1F60B Face savoring food
- π U+1F60C Relieved face
- π U+1F60D Smiling face with heart-eyes
- π U+1F60E Smiling face with sunglasses
- π U+1F60F Smirking face
- π U+1F610 Neutral face
- π U+1F612 Unamused face
- π U+1F613 Downcast face with sweat
- π U+1F614 Pensive face
- π U+1F615 Confused face
- π U+1F616 Confounded face
- π U+1F617 Kissing face
- π U+1F618 Face blowing a kiss
- π U+1F619 Kissing face with smiling eyes
All 80 characters: Emoticons.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 😑 (decimal) or 😑 (hex).
- What is the UTF-8 encoding of U+1F611?
- F0 9F 98 91 (hex), 4 bytes. In a URL it is %F0%9F%98%91.
- How do I write U+1F611 in JavaScript or Python?
- JavaScript: \u{1F611} or \uD83D\uDE11. Python: \U0001F611.
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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