U+21900

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U+21900 is not a valid unicode character.
Encodings
HTML Entity (decimal) 𡤀
HTML Entity (hex) 𡤀
How to type in Microsoft Windows Alt +21900
UTF-8 (hex) 0xF0 0xA1 0xA4 0x80 (f0a1a480)
UTF-8 (binary) 11110000:10100001:10100100:10000000
UTF-16 (hex) 0xD846 0xDD00 (d846dd00)
UTF-16 (decimal) 55,366 56,576
UTF-32 (hex) 0x00021900 (21900)
UTF-32 (decimal) 137,472
C/C++/Java source code "\uD846\uDD00"
Python source code u"\U00021900"
More...
Java Data
string.toUpperCase() 𡤀
string.toLowerCase() 𡤀
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