"" (U+2205)

Name EMPTY SET
Unicode Versin1.1
Plane(面)基本多言語面 (Basic Multilingual Plane)
Block(ブロック)数学記号 (Mathematical Operators)
ScriptCommon (Zyyy)
CategoryMath_Symbol (Sm)
HTML Entity
∅
∅
UTF-8 Encoding e28885
UTF-16 Encoding 2205
UTF-32 Encoding 00002205
∄ U+2204
∆ U+2206