π¬ is the Unicode character LEIBNIZIAN SIMILARITY, code point U+1DB19 (decimal 121625) in the Miscellaneous Symbols and Arrows Extended block, added in Unicode 18.0. In HTML write 𝬙, and in UTF-8 it is the 4 bytes F0 9D AC 99.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1DB19 |
| Decimal | 121625 |
| UTF-8 bytes | F0 9D AC 99 |
| UTF-16 (big-endian) | D836 DF19 |
| UTF-32 | 0001DB19 |
| HTML decimal | 𝬙 |
| HTML hex | 𝬙 |
| CSS | \1DB19 |
| JavaScript | \u{1DB19} or \uD836\uDF19 |
| JSON | \uD836\uDF19 |
| Python | \U0001DB19 |
| Python by name | \N{LEIBNIZIAN SIMILARITY} |
| Java, C# | \uD836\uDF19 |
| Rust, Swift | \u{1DB19} |
| Go, C, C++ | \U0001DB19 |
| URL (percent-encoded) | %F0%9D%AC%99 |
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 | LEIBNIZIAN SIMILARITY |
| Code point | U+1DB19 (decimal 121625) |
| Block | Miscellaneous Symbols and Arrows Extended (U+1DB00βU+1DBFF) |
| General category | Sm: Math symbol |
| Script | Common |
| Bidirectional class | ON: Other neutral |
| Mirrored in right-to-left text | No |
| First in Unicode version | 18.0 |
Nearby in Miscellaneous Symbols and Arrows Extended
- π¬ U+1DB11 Leibnizian Congruence
- π¬ U+1DB12 Leibnizian Congruence With Vertical Bar
- π¬ U+1DB13 Leibnizian Congruence-2
- π¬ U+1DB14 Leibnizian Congruence-2 Inverted
- π¬ U+1DB15 Leibnizian Congruence-2 With Horizontal Bar
- π¬ U+1DB16 Leibnizian Congruence-2 With Horizontal And Vertical Bar
- π¬ U+1DB17 Leibnizian Coincidence
- π¬ U+1DB18 Inverted Lazy S Over Lazy S
- π¬ U+1DB1A Leibnizian Similarity-2
- π¬ U+1DB1B Leibnizian Dissimilarity
- π¬ U+1DB1C Facit Symbol
All 29 characters: Miscellaneous Symbols and Arrows Extended.
Official reference
Questions people ask
- What is the HTML code for π¬?
- Use 𝬙 (decimal) or 𝬙 (hex).
- What is the UTF-8 encoding of U+1DB19?
- F0 9D AC 99 (hex), 4 bytes. In a URL it is %F0%9D%AC%99.
- How do I write U+1DB19 in JavaScript or Python?
- JavaScript: \u{1DB19} or \uD836\uDF19. Python: \U0001DB19.
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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