∜

Fourth Root Symbol (∜)

Copy the Fourth Root symbol ∜ to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.

What does ∜ mean?

The fourth root sign ∜ denotes the fourth root: ∜16 = 2. Its official Unicode name is FOURTH ROOT.

Codes and properties

Character∜
Unicode nameFOURTH ROOT
Code pointU+221C
Decimal8732
Unicode blockMathematical Operators
HTML entity∜ Β· ∜
CSS\221C
JavaScript / JSON\u221C
Python\u221C or \N{FOURTH ROOT}
UTF-8 bytesE2 88 9C
LaTeX\sqrt[4]{x}

How to type ∜

  • Copy & paste: press the Copy button above, then paste ∜ anywhere β€” Word, Google Docs, email, chat or code.
  • Windows (Word, WordPad, Outlook): type 221C then press Alt+X. In any app, Win+. opens the symbol panel.
  • Mac: switch to the Unicode Hex Input keyboard, hold Option and type 221C; or press Ctrl+Cmd+Space and search β€œfourth root”.
  • Linux (GTK/IBus): press Ctrl+Shift+U, type 221c, then Space.
  • HTML: ∜ renders as ∜.
  • LaTeX: \sqrt[4]{x} in math mode (amssymb package for some symbols).

Frequently asked questions

How do I type ∜ on Windows?

In Microsoft Word type 221C and press Alt+X. In any app press Win+. to open the symbol panel, or copy ∜ from this page.

What is the HTML code for ∜?

Use ∜ (hex) or ∜ (decimal).

What is the LaTeX command for ∜?

Use \sqrt[4]{x} in math mode.

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