π is the Unicode character TETRAGRAM FOR EXHAUSTION, code point U+1D34A (decimal 119626) 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 8A.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1D34A |
| Decimal | 119626 |
| UTF-8 bytes | F0 9D 8D 8A |
| UTF-16 (big-endian) | D834 DF4A |
| UTF-32 | 0001D34A |
| HTML decimal | 𝍊 |
| HTML hex | 𝍊 |
| CSS | \1D34A |
| JavaScript | \u{1D34A} or \uD834\uDF4A |
| JSON | \uD834\uDF4A |
| Python | \U0001D34A |
| Python by name | \N{TETRAGRAM FOR EXHAUSTION} |
| Java, C# | \uD834\uDF4A |
| Rust, Swift | \u{1D34A} |
| Go, C, C++ | \U0001D34A |
| URL (percent-encoded) | %F0%9D%8D%8A |
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 EXHAUSTION |
| Code point | U+1D34A (decimal 119626) |
| 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+1D342 Tetragram For Embellishment
- π U+1D343 Tetragram For Doubt
- π U+1D344 Tetragram For Watch
- π U+1D345 Tetragram For Sinking
- π U+1D346 Tetragram For Inner
- π U+1D347 Tetragram For Departure
- π U+1D348 Tetragram For Darkening
- π U+1D349 Tetragram For Dimming
- π U+1D34B Tetragram For Severance
- π U+1D34C Tetragram For Stoppage
- π U+1D34D Tetragram For Hardness
- 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
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+1D34A?
- F0 9D 8D 8A (hex), 4 bytes. In a URL it is %F0%9D%8D%8A.
- How do I write U+1D34A in JavaScript or Python?
- JavaScript: \u{1D34A} or \uD834\uDF4A. Python: \U0001D34A.
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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