โˆ…

Empty Set Symbol (โˆ…)

Copy the Empty Set symbol โˆ… to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.

What does โˆ… mean?

The empty set symbol โˆ… denotes the set with no elements, {}. It should not be confused with the Greek letter phi (ฯ†) or the Danish letter ร˜. Its official Unicode name is EMPTY SET.

Codes and properties

Characterโˆ…
Unicode nameEMPTY SET
Code pointU+2205
Decimal8709
Unicode blockMathematical Operators
HTML entity∅ ยท ∅ ยท ∅
CSS\2205
JavaScript / JSON\u2205
Python\u2205 or \N{EMPTY SET}
UTF-8 bytesE2 88 85
LaTeX\emptyset

How to type โˆ…

  • Copy & paste: press the Copy button above, then paste โˆ… anywhere โ€” Word, Google Docs, email, chat or code.
  • Windows (Word, WordPad, Outlook): type 2205 then press Alt+X. In any app, Win+. opens the symbol panel.
  • Mac: switch to the Unicode Hex Input keyboard, hold Option and type 2205; or press Ctrl+Cmd+Space and search โ€œempty setโ€.
  • Linux (GTK/IBus): press Ctrl+Shift+U, type 2205, then Space.
  • HTML: ∅ renders as โˆ….
  • LaTeX: \emptyset in math mode (amssymb package for some symbols).

Frequently asked questions

How do I type โˆ… on Windows?

In Microsoft Word type 2205 and press Alt+X. In any app press Win+. to open the symbol panel, or copy โˆ… from this page.

What is the HTML code for โˆ…?

Use ∅ or ∅ (hex) or ∅ (decimal).

What is the LaTeX command for โˆ…?

Use \emptyset in math mode.

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