∁
U+2201 COMPLEMENT
Mathematical Operators · Math symbol
| Name | COMPLEMENT |
|---|---|
| Code point | U+2201 |
| Decimal | 8705 |
| Block | Mathematical Operators |
| Category | Math symbol (Sm) |
| UTF-8 | E2 88 81 |
| UTF-16 | 2201 |
| UTF-32 | 00002201 |
| HTML | ∁ ∁ |
| CSS | \2201 |
| JavaScript | \u2201 |
| Python | \u2201 |
| URL-encoded | %E2%88%81 |
Frequently asked questions
What is the character U+2201?
U+2201 ∁ is officially named COMPLEMENT. It belongs to the Mathematical Operators block and the category Math symbol.
How do I type ∁?
Windows (Word, WordPad): type 2201, then press Alt+X. Linux (GTK/IBus): Ctrl+Shift+U 2201, then Space. macOS: enable the “Unicode Hex Input” keyboard, hold Option and type 2201. Or simply copy it from this page.
How do I write ∁ in HTML?
As a numeric character reference ∁ (decimal) or ∁ (hexadecimal). In UTF-8 documents you can also insert the character directly.
How is ∁ encoded in UTF-8?
In UTF-8 the character takes 3 bytes: E2 88 81. In UTF-16: 2201.