π is the Unicode emoji SLIGHTLY FROWNING FACE, code point U+1F641 (decimal 128577) in the Emoticons block, added in Unicode 7.0. In HTML write 🙁, and in UTF-8 it is the 4 bytes F0 9F 99 81.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F641 |
| Decimal | 128577 |
| UTF-8 bytes | F0 9F 99 81 |
| UTF-16 (big-endian) | D83D DE41 |
| UTF-32 | 0001F641 |
| HTML decimal | 🙁 |
| HTML hex | 🙁 |
| CSS | \1F641 |
| JavaScript | \u{1F641} or \uD83D\uDE41 |
| JSON | \uD83D\uDE41 |
| Python | \U0001F641 |
| Python by name | \N{SLIGHTLY FROWNING FACE} |
| Java, C# | \uD83D\uDE41 |
| Rust, Swift | \u{1F641} |
| Go, C, C++ | \U0001F641 |
| URL (percent-encoded) | %F0%9F%99%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 | SLIGHTLY FROWNING FACE |
| Emoji name | slightly frowning face |
| Code point | U+1F641 (decimal 128577) |
| 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 | 7.0 |
Nearby in Emoticons
- πΉ U+1F639 Cat with tears of joy
- πΊ U+1F63A Grinning cat
- π» U+1F63B Smiling cat with heart-eyes
- πΌ U+1F63C Cat with wry smile
- π½ U+1F63D Kissing cat
- πΎ U+1F63E Pouting cat
- πΏ U+1F63F Crying cat
- π U+1F640 Weary cat
- π U+1F642 Slightly smiling face
- π U+1F643 Upside-down face
- π U+1F644 Face with rolling eyes
- π U+1F645 Person gesturing NO
- π U+1F646 Person gesturing OK
- π U+1F647 Person bowing
- π U+1F648 See-no-evil monkey
- π U+1F649 Hear-no-evil monkey
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+1F641?
- F0 9F 99 81 (hex), 4 bytes. In a URL it is %F0%9F%99%81.
- How do I write U+1F641 in JavaScript or Python?
- JavaScript: \u{1F641} or \uD83D\uDE41. Python: \U0001F641.
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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