DOUBLE-STRUCK N-ARY SUMMATION U+2140

BlockLetterlike Symbols
CategoryMath Symbol
DecompositionN-ARY SUMMATION (U+2211)
UTF-80xE2 0x85 0x80
UTF-160xFF 0xFE 0x40 0x21
UTF-320xFF 0xFE 0x0 0x0 0x40 0x21 0x0 0x0
HTML⅀
Pythonu"\u2140"