π is the Unicode character NEGATIVE CIRCLED LATIN CAPITAL LETTER A, code point U+1F150 (decimal 127312) in the Enclosed Alphanumeric Supplement block, added in Unicode 6.0. In HTML write 🅐, and in UTF-8 it is the 4 bytes F0 9F 85 90.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F150 |
| Decimal | 127312 |
| UTF-8 bytes | F0 9F 85 90 |
| UTF-16 (big-endian) | D83C DD50 |
| UTF-32 | 0001F150 |
| HTML decimal | 🅐 |
| HTML hex | 🅐 |
| CSS | \1F150 |
| JavaScript | \u{1F150} or \uD83C\uDD50 |
| JSON | \uD83C\uDD50 |
| Python | \U0001F150 |
| Python by name | \N{NEGATIVE CIRCLED LATIN CAPITAL LETTER A} |
| Java, C# | \uD83C\uDD50 |
| Rust, Swift | \u{1F150} |
| Go, C, C++ | \U0001F150 |
| URL (percent-encoded) | %F0%9F%85%90 |
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 | NEGATIVE CIRCLED LATIN CAPITAL LETTER A |
| Code point | U+1F150 (decimal 127312) |
| 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 | 6.0 |
Nearby in Enclosed Alphanumeric Supplement
- π U+1F148 Squared Latin Capital Letter Y
- π U+1F149 Squared Latin Capital Letter Z
- π U+1F14A Squared Hv
- π U+1F14B Squared Mv
- π U+1F14C Squared Sd
- π U+1F14D Squared Ss
- π U+1F14E Squared Ppv
- π U+1F14F Squared Wc
- π U+1F151 Negative Circled Latin Capital Letter B
- π U+1F152 Negative Circled Latin Capital Letter C
- π U+1F153 Negative Circled Latin Capital Letter D
- π U+1F154 Negative Circled Latin Capital Letter E
- π U+1F155 Negative Circled Latin Capital Letter F
- π U+1F156 Negative Circled Latin Capital Letter G
- π U+1F157 Negative Circled Latin Capital Letter H
- π U+1F158 Negative Circled Latin Capital Letter I
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+1F150?
- F0 9F 85 90 (hex), 4 bytes. In a URL it is %F0%9F%85%90.
- How do I write U+1F150 in JavaScript or Python?
- JavaScript: \u{1F150} or \uD83C\uDD50. Python: \U0001F150.
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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