Previous Character in Block Next Character in Block Share U+02140 DOUBLE-STRUCK N-ARY SUMMATION Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Empty Previous Block Next Block < / > Unicode Block U+02100 — U+0214F Letterlike Symbols Character Details Your browser ⅀ Confusables Character properties Code Point U+02140 Name DOUBLE-STRUCK N-ARY SUMMATION Unicode1 Name — Block Letterlike Symbols General cat a symbol of primarily mathematical use Canonical Combining Class — Bidirectional Class most other symbols and punctuation marks Mirrored character in bidirectional text true Decomposition <font> 2211 Uppercase Mapping Lowercase Mapping Titlecase Mapping Numeric Value — DECIMAL Value 8512 UTF-8 HEX Value 0xE28580 UTF-16 HEX Value 0x02140 UTF-32 HEX Value 0x00002140 XHTML Value ⅀ Views - Block Details This block is part of the script Letterlike Symbols More Letterlike Symbols blocks Letterlike Symbols This Character appears in the following languages