Unicode Character 'DOUBLE-STRUCK N-ARY SUMMATION' (U+2140) | 
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DOUBLE-STRUCK N-ARY SUMMATION
			DOUBLE-STRUCK N-ARY SUMMATION
| Unicode Data | |
|---|---|
| Name | DOUBLE-STRUCK N-ARY SUMMATION | 
| Block | Letterlike Symbols | 
| Category | Symbol, Math [Sm] | 
| Combine | 0 | 
| BIDI | Other Neutrals [ON] | 
| Decomposition | <font> N-ARY SUMMATION (U+2211) | 
| Mirror | Y | 
| Index entries | SUMMATION, DOUBLE-STRUCK N-ARY N-ARY SUMMATION, DOUBLE-STRUCK  | 
		
| Approximations | <font> 2211 n-ary summation | 
		
| Version | Unicode 3.2.0 (March, 2002) | 
| Encodings | |
|---|---|
| HTML Entity (decimal) | ⅀ | 
| HTML Entity (hex) | ⅀ | 
| How to type in Microsoft Windows | Alt +2140 | 
	
| UTF-8 (hex) | 0xE2 0x85 0x80 (e28580) | 
| UTF-8 (binary) | 11100010:10000101:10000000 | 
| UTF-16 (hex) | 0x2140 (2140) | 
| UTF-16 (decimal) | 8,512 | 
| UTF-32 (hex) | 0x00002140 (2140) | 
| UTF-32 (decimal) | 8,512 | 
| C/C++/Java source code | "\u2140" | 
| Python source code | u"\u2140" | 
| More... | |
| Java Data | |
|---|---|
| string.toUpperCase() | ⅀ | 
| string.toLowerCase() | ⅀ | 
| Character.UnicodeBlock | LETTERLIKE_SYMBOLS | 
| Character.charCount() | 1 | 
| Character.getDirectionality() | DIRECTIONALITY_OTHER_NEUTRALS [13] | 
| Character.getNumericValue() | -1 | 
| Character.getType() | 25 | 
| Character.isDefined() | Yes | 
| Character.isDigit() | No | 
| Character.isIdentifierIgnorable() | No | 
| Character.isISOControl() | No | 
| Character.isJavaIdentifierPart() | No | 
| Character.isJavaIdentifierStart() | No | 
| Character.isLetter() | No | 
| Character.isLetterOrDigit() | No | 
| Character.isLowerCase() | No | 
| Character.isMirrored() | Yes | 
| Character.isSpaceChar() | No | 
| Character.isSupplementaryCodePoint() | No | 
| Character.isTitleCase() | No | 
| Character.isUnicodeIdentifierPart() | No | 
| Character.isUnicodeIdentifierStart() | No | 
| Character.isUpperCase() | No | 
| Character.isValidCodePoint() | Yes | 
| Character.isWhitespace() | No |