This is the Unicode character COMBINING SHARP SIGN, code point U+1AD9 (decimal 6873) in the Combining Diacritical Marks Extended block, added in Unicode 17.0. In HTML write ᫙, and in UTF-8 it is the 3 bytes E1 AB 99.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1AD9 |
| Decimal | 6873 |
| UTF-8 bytes | E1 AB 99 |
| UTF-16 (big-endian) | 1AD9 |
| UTF-32 | 00001AD9 |
| HTML decimal | ᫙ |
| HTML hex | ᫙ |
| CSS | \1AD9 |
| JavaScript | \u1AD9 |
| JSON | \u1AD9 |
| Python | \u1AD9 |
| Python by name | \N{COMBINING SHARP SIGN} |
| Java, C# | \u1AD9 |
| Rust, Swift | \u{1AD9} |
| Go, C, C++ | \u1AD9 |
| URL (percent-encoded) | %E1%AB%99 |
JavaScript and JSON strings store text as UTF-16, so this character is one code unit long. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | COMBINING SHARP SIGN |
| Code point | U+1AD9 (decimal 6873) |
| Block | Combining Diacritical Marks Extended (U+1AB0–U+1AFF) |
| General category | Mn: Non-spacing mark |
| Script | Inherited |
| Bidirectional class | NSM: Non-spacing mark |
| Combining class | 230 |
| Mirrored in right-to-left text | No |
| First in Unicode version | 17.0 |
Nearby in Combining Diacritical Marks Extended
- U+1AD1 Combining Grave-Vertical-Line
- U+1AD2 Combining Vertical-Line-Grave
- U+1AD3 Combining Acute-Vertical-Line
- U+1AD4 Combining Vertical-Line-Macron
- U+1AD5 Combining Macron-Vertical-Line
- U+1AD6 Combining Vertical-Line-Acute-Grave
- U+1AD7 Combining Vertical-Line-Grave-Acute
- U+1AD8 Combining Macron-Acute-Grave
- U+1ADA Combining Flat Sign
- U+1ADB Combining Down Tack Above
- U+1ADC Combining Diaeresis With Raised Left Dot
- U+1ADD Combining Dot-And-Ring Below
- U+1ADE Combining Grave-Dot
- U+1ADF Combining Dot-Acute
- U+1AE0 Combining Left Tack Above
- U+1AE1 Combining Right Tack Above
All 65 characters: Combining Diacritical Marks Extended.
Official reference
Questions people ask
- What is the HTML code for COMBINING SHARP SIGN?
- Use ᫙ (decimal) or ᫙ (hex).
- What is the UTF-8 encoding of U+1AD9?
- E1 AB 99 (hex), 3 bytes. In a URL it is %E1%AB%99.
- How do I write U+1AD9 in JavaScript or Python?
- JavaScript: \u1AD9. Python: \u1AD9.
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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