U+21A21

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U+21A21 is not a valid unicode character.
Encodings
HTML Entity (decimal) 𡨡
HTML Entity (hex) 𡨡
How to type in Microsoft Windows Alt +21A21
UTF-8 (hex) 0xF0 0xA1 0xA8 0xA1 (f0a1a8a1)
UTF-8 (binary) 11110000:10100001:10101000:10100001
UTF-16 (hex) 0xD846 0xDE21 (d846de21)
UTF-16 (decimal) 55,366 56,865
UTF-32 (hex) 0x00021A21 (21a21)
UTF-32 (decimal) 137,761
C/C++/Java source code "\uD846\uDE21"
Python source code u"\U00021A21"
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Java Data
string.toUpperCase() 𡨡
string.toLowerCase() 𡨡
Character.UnicodeBlock CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B
Character.charCount() 2
Character.getDirectionality() DIRECTIONALITY_LEFT_TO_RIGHT [0]
Character.getNumericValue() -1
Character.getType() 5
Character.isDefined() Yes
Character.isDigit() No
Character.isIdentifierIgnorable() No
Character.isISOControl() No
Character.isJavaIdentifierPart() Yes
Character.isJavaIdentifierStart() Yes
Character.isLetter() Yes
Character.isLetterOrDigit() Yes
Character.isLowerCase() No
Character.isMirrored() No
Character.isSpaceChar() No
Character.isSupplementaryCodePoint() Yes
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() Yes
Character.isUnicodeIdentifierStart() Yes
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No