π is the Unicode emoji RING BUOY, code point U+1F6DF (decimal 128735) in the Transport and Map Symbols block, added in Unicode 14.0. In HTML write 🛟, and in UTF-8 it is the 4 bytes F0 9F 9B 9F.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F6DF |
| Decimal | 128735 |
| UTF-8 bytes | F0 9F 9B 9F |
| UTF-16 (big-endian) | D83D DEDF |
| UTF-32 | 0001F6DF |
| HTML decimal | 🛟 |
| HTML hex | 🛟 |
| CSS | \1F6DF |
| JavaScript | \u{1F6DF} or \uD83D\uDEDF |
| JSON | \uD83D\uDEDF |
| Python | \U0001F6DF |
| Python by name | \N{RING BUOY} |
| Java, C# | \uD83D\uDEDF |
| Rust, Swift | \u{1F6DF} |
| Go, C, C++ | \U0001F6DF |
| URL (percent-encoded) | %F0%9F%9B%9F |
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 | RING BUOY |
| Emoji name | ring buoy |
| Code point | U+1F6DF (decimal 128735) |
| Block | Transport and Map Symbols (U+1F680βU+1F6FF) |
| General category | So: Other symbol |
| Script | Common |
| Bidirectional class | ON: Other neutral |
| Mirrored in right-to-left text | No |
| First in Unicode version | 14.0 |
Nearby in Transport and Map Symbols
- π U+1F6D5 Hindu temple
- π U+1F6D6 Hut
- π U+1F6D7 Elevator
- π U+1F6D8 Landslide
- π U+1F6D9 Lighthouse
- π U+1F6DC Wireless
- π U+1F6DD Playground slide
- π U+1F6DE Wheel
- π U+1F6E0 Hammer and wrench
- π‘ U+1F6E1 Shield
- π’ U+1F6E2 Oil drum
- π£ U+1F6E3 Motorway
- π€ U+1F6E4 Railway track
- π₯ U+1F6E5 Motor boat
- π¦ U+1F6E6 Up-Pointing Military Airplane
- π§ U+1F6E7 Up-Pointing Airplane
All 120 characters: Transport and Map Symbols.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 🛟 (decimal) or 🛟 (hex).
- What is the UTF-8 encoding of U+1F6DF?
- F0 9F 9B 9F (hex), 4 bytes. In a URL it is %F0%9F%9B%9F.
- How do I write U+1F6DF in JavaScript or Python?
- JavaScript: \u{1F6DF} or \uD83D\uDEDF. Python: \U0001F6DF.
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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