π is the Unicode character SQUARED THREE D, code point U+1F19B (decimal 127387) in the Enclosed Alphanumeric Supplement block, added in Unicode 9.0. In HTML write 🆛, and in UTF-8 it is the 4 bytes F0 9F 86 9B.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F19B |
| Decimal | 127387 |
| UTF-8 bytes | F0 9F 86 9B |
| UTF-16 (big-endian) | D83C DD9B |
| UTF-32 | 0001F19B |
| HTML decimal | 🆛 |
| HTML hex | 🆛 |
| CSS | \1F19B |
| JavaScript | \u{1F19B} or \uD83C\uDD9B |
| JSON | \uD83C\uDD9B |
| Python | \U0001F19B |
| Python by name | \N{SQUARED THREE D} |
| Java, C# | \uD83C\uDD9B |
| Rust, Swift | \u{1F19B} |
| Go, C, C++ | \U0001F19B |
| URL (percent-encoded) | %F0%9F%86%9B |
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 | SQUARED THREE D |
| Code point | U+1F19B (decimal 127387) |
| Block | Enclosed Alphanumeric Supplement (U+1F100βU+1F1FF) |
| General category | So: Other symbol |
| Script | Common |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 9.0 |
Nearby in Enclosed Alphanumeric Supplement
- π U+1F193 FREE button
- π U+1F194 ID button
- π U+1F195 NEW button
- π U+1F196 NG button
- π U+1F197 OK button
- π U+1F198 SOS button
- π U+1F199 UP! button
- π U+1F19A VS button
- π U+1F19C Squared Second Screen
- π U+1F19D Squared Two K
- π U+1F19E Squared Four K
- π U+1F19F Squared Eight K
- π U+1F1A0 Squared Five Point One
- π‘ U+1F1A1 Squared Seven Point One
- π’ U+1F1A2 Squared Twenty-Two Point Two
- π£ U+1F1A3 Squared Sixty P
All 201 characters: Enclosed Alphanumeric Supplement.
Official reference
Questions people ask
- What is the HTML code for π?
- Use 🆛 (decimal) or 🆛 (hex).
- What is the UTF-8 encoding of U+1F19B?
- F0 9F 86 9B (hex), 4 bytes. In a URL it is %F0%9F%86%9B.
- How do I write U+1F19B in JavaScript or Python?
- JavaScript: \u{1F19B} or \uD83C\uDD9B. Python: \U0001F19B.
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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