"" (U+2140)

Name DOUBLE-STRUCK N-ARY SUMMATION
Unicode Versin3.2
Plane(面)基本多言語面 (Basic Multilingual Plane)
Block(ブロック)文字様記号 (Letterlike Symbols)
ScriptCommon (Zyyy)
CategoryMath_Symbol (Sm)
HTML Entity
⅀
⅀
UTF-8 Encoding e28580
UTF-16 Encoding 2140
UTF-32 Encoding 00002140
ℿ U+213F
⅁ U+2141