U+221C · Mathematical Operators
Fourth Root ∜
Fourth Root is the Unicode character U+221C (official name “FOURTH ROOT”) from the Mathematical Operators block. It belongs to SymbolHero’s math symbols collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.
UnicodeU+221C
HTML∜
∜U+221C
Character codes
| Unicode code point | U+221C | |
|---|---|---|
| Decimal | 8732 | |
| HTML (hex) | ∜ | |
| HTML (decimal) | ∜ | |
| CSS | \221C | |
| JavaScript | \u221C | |
| Python | \u221C | |
| UTF-8 bytes | E2 88 9C | |
| UTF-16 | 221C | |
| URL-encoded | %E2%88%9C |
Character details
| Official name | FOURTH ROOT |
|---|---|
| Unicode block | Mathematical Operators |
| General category | Math Symbol (Sm) |
| SymbolHero category | Math Symbols |
| Emoji | No |
How to type ∜
Windows
- In Microsoft Word or Outlook: type
221Cthen press Alt + X. - Open Character Map (search “Character Map” in Start), tick “Advanced view”, search for “fourth root”, then Select and Copy.
Mac
- Press Control + Command + Space to open the Character Viewer, search “fourth root”, and double-click the result.
- With the Unicode Hex Input keyboard enabled (System Settings → Keyboard → Input Sources), hold Option and type
221C.
iPhone & Android
- Tap Copy at the top of this page, then long-press where you want it and choose Paste.
Docs & web
- Google Docs: Insert → Special characters, then search “fourth root” or enter
U+221C. - HTML:
∜ - Excel / Google Sheets:
=UNICHAR(8732)
Similar math symbols
Questions
What is the Unicode for ∜?
It is U+221C (FOURTH ROOT), decimal 8732.
Is there a Windows Alt code for it?
No standard Alt code exists for this character. In Word type 221C then Alt+X, or copy it from this page.
How do I type it on a Mac?
There is no built-in Option shortcut. Use the Character Viewer (Control + Command + Space) and search “fourth root”, or copy it from this page.
What is the HTML code?
Use the numeric reference ∜ (or ∜). There is no named entity.