U+21009

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U+21009 is not a valid unicode character.
Encodings
HTML Entity (decimal) 𡀉
HTML Entity (hex) 𡀉
How to type in Microsoft Windows Alt +21009
UTF-8 (hex) 0xF0 0xA1 0x80 0x89 (f0a18089)
UTF-8 (binary) 11110000:10100001:10000000:10001001
UTF-16 (hex) 0xD844 0xDC09 (d844dc09)
UTF-16 (decimal) 55,364 56,329
UTF-32 (hex) 0x00021009 (21009)
UTF-32 (decimal) 135,177
C/C++/Java source code "\uD844\uDC09"
Python source code u"\U00021009"
More...
Java Data
string.toUpperCase() 𡀉
string.toLowerCase() 𡀉
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