∜
U+221C FOURTH ROOT
Mathematical Operators · Math symbol
| Name | FOURTH ROOT |
|---|---|
| Code point | U+221C |
| Decimal | 8732 |
| Block | Mathematical Operators |
| Category | Math symbol (Sm) |
| UTF-8 | E2 88 9C |
| UTF-16 | 221C |
| UTF-32 | 0000221C |
| HTML | ∜ ∜ |
| CSS | \221C |
| JavaScript | \u221C |
| Python | \u221c |
| URL-encoded | %E2%88%9C |
Frequently asked questions
What is the character U+221C?
U+221C ∜ is officially named FOURTH ROOT. It belongs to the Mathematical Operators block and the category Math symbol.
How do I type ∜?
Windows (Word, WordPad): type 221C, then press Alt+X. Linux (GTK/IBus): Ctrl+Shift+U 221c, then Space. macOS: enable the “Unicode Hex Input” keyboard, hold Option and type 221C. 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 9C. In UTF-16: 221C.