Unicode Character 'RIGHTWARDS TWO-HEADED ARROW WITH DOUBLE VERTICAL STROKE' (U+2901)

Image

Unicode Data
Name	RIGHTWARDS TWO-HEADED ARROW WITH DOUBLE VERTICAL STROKE
Block	Supplemental Arrows-B
Category	Symbol, Math [Sm]
Combine	0
BIDI	Other Neutrals [ON]
Mirror	N
Index entries	surjection, finite finite surjection
Comments	z notation finite surjection
See Also	leftwards two-headed arrow with double vertical stroke U+2B35
Version	Unicode 3.2.0 (March, 2002)

Encodings
HTML Entity (decimal)	⤁
HTML Entity (hex)	⤁
How to type in Microsoft Windows	Alt +2901
UTF-8 (hex)	0xE2 0xA4 0x81 (e2a481)
UTF-8 (binary)	11100010:10100100:10000001
UTF-16 (hex)	0x2901 (2901)
UTF-16 (decimal)	10,497
UTF-32 (hex)	0x00002901 (2901)
UTF-32 (decimal)	10,497
C/C++/Java source code	"\u2901"
Python source code	u"\u2901"
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Java Data
string.toUpperCase()	⤁
string.toLowerCase()	⤁
Character.UnicodeBlock	SUPPLEMENTAL_ARROWS_B
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()	No
Character.isSpaceChar()	No
Character.isSupplementaryCodePoint()	No
Character.isTitleCase()	No
Character.isUnicodeIdentifierPart()	No
Character.isUnicodeIdentifierStart()	No
Character.isUpperCase()	No
Character.isValidCodePoint()	Yes
Character.isWhitespace()	No