# ∜ U+221C FOURTH ROOT

Fourth root symbol, a radical sign with a small 4 in the crook.

| | |
|---|---|
| Character | `∜` |
| Codepoint | U+221C |
| Name | FOURTH ROOT |
| Block | [Mathematical Operators](https://unicodekit.com/block/mathematical-operators) |
| Script | Common |
| Category | Math Symbol (Sm) |
| Unicode version | 1.1 |
| HTML | `∜` `∜` |
| CSS | `\221C` |
| JavaScript | `\u221C` |
| UTF-8 | E2 88 9C |
| UTF-16 | 221C |

## Related characters

- ∛ [U+221B CUBE ROOT](https://unicodekit.com/char/221B)
- ∝ [U+221D PROPORTIONAL TO](https://unicodekit.com/char/221D)
- √ [U+221A SQUARE ROOT](https://unicodekit.com/char/221A)
- ∞ [U+221E INFINITY](https://unicodekit.com/char/221E)
- ∙ [U+2219 BULLET OPERATOR](https://unicodekit.com/char/2219)
- ∟ [U+221F RIGHT ANGLE](https://unicodekit.com/char/221F)
- ∘ [U+2218 RING OPERATOR](https://unicodekit.com/char/2218)
- ∠ [U+2220 ANGLE](https://unicodekit.com/char/2220)
- ∗ [U+2217 ASTERISK OPERATOR](https://unicodekit.com/char/2217)
- ∡ [U+2221 MEASURED ANGLE](https://unicodekit.com/char/2221)
- ∖ [U+2216 SET MINUS](https://unicodekit.com/char/2216)
- ∢ [U+2222 SPHERICAL ANGLE](https://unicodekit.com/char/2222)

Page: https://unicodekit.com/char/221C · JSON: https://unicodekit.com/characters/221C