π is the Unicode character TETRAGRAM FOR FOSTERING, code point U+1D356 (decimal 119638) in the Tai Xuan Jing Symbols block, added in Unicode 4.0. In HTML write 𝍖, and in UTF-8 it is the 4 bytes F0 9D 8D 96.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1D356 |
| Decimal | 119638 |
| UTF-8 bytes | F0 9D 8D 96 |
| UTF-16 (big-endian) | D834 DF56 |
| UTF-32 | 0001D356 |
| HTML decimal | 𝍖 |
| HTML hex | 𝍖 |
| CSS | \1D356 |
| JavaScript | \u{1D356} or \uD834\uDF56 |
| JSON | \uD834\uDF56 |
| Python | \U0001D356 |
| Python by name | \N{TETRAGRAM FOR FOSTERING} |
| Java, C# | \uD834\uDF56 |
| Rust, Swift | \u{1D356} |
| Go, C, C++ | \U0001D356 |
| URL (percent-encoded) | %F0%9D%8D%96 |
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 | TETRAGRAM FOR FOSTERING |
| Code point | U+1D356 (decimal 119638) |
| Block | Tai Xuan Jing Symbols (U+1D300βU+1D35F) |
| General category | So: Other symbol |
| Script | Common |
| Bidirectional class | ON: Other neutral |
| Mirrored in right-to-left text | No |
| First in Unicode version | 4.0 |
Nearby in Tai Xuan Jing Symbols
- π U+1D34E Tetragram For Completion
- π U+1D34F Tetragram For Closure
- π U+1D350 Tetragram For Failure
- π U+1D351 Tetragram For Aggravation
- π U+1D352 Tetragram For Compliance
- π U+1D353 Tetragram For On The Verge
- π U+1D354 Tetragram For Difficulties
- π U+1D355 Tetragram For Labouring
All 87 characters: Tai Xuan Jing 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+1D356?
- F0 9D 8D 96 (hex), 4 bytes. In a URL it is %F0%9D%8D%96.
- How do I write U+1D356 in JavaScript or Python?
- JavaScript: \u{1D356} or \uD834\uDF56. Python: \U0001D356.
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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