Unicode Character "⅀" U+2140 Double-Struck N-Ary Summation
Unicode Version 15.1
⅀
Summary
The unicode character "⅀" at code point U+2140 is Double-Struck N-Ary Summation. It is a character in the Letterlike Symbols block and is part of the Common script. The character is a math symbol. The UTF-8 encoding of "⅀" is 0xE2 0x85 0x80 and the UTF-16 encoding is 0x2140.
General Properties
| Code Point | U+2140 |
| Version Added | 3.2 |
| Name | Double-Struck N-Ary Summation |
| Block | Letterlike Symbols |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
| Mirrored | Yes |
| Decomposition Type | Font |
| Decomposition Mapping | "∑" U+2211 N-Ary Summation |
Encodings
| HTML Decimal Encoding | ⅀ |
| HTML Hex Encoding | ⅀ |
| UTF-8 Encoding | 0xE2 0x85 0x80 |
| UTF-16 Encoding | 0x2140 |
| UTF-32 Encoding | 0x00002140 |
| C/C++/Java Escape | \u2140 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "∑" U+2211 N-Ary Summation |
| NFKC Simple Casefold | "∑" U+2211 N-Ary Summation |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |