Empty Set symbol

U+2205

Official name
EMPTY SET
Unicode block
Mathematical Operators
Added in
Unicode 1.1
HTML
HTML hex
CSS content
JavaScript
UTF-8 bytes
E2 88 85
Keywords
empty, mathematics, operator, set, equation, science
Categories
Maths

The Unicode standard defines this character, but your device’s fonts decide how it looks, so it may differ on other screens.

Data: Unicode 16.0, Emoji 16.0.