U+2123F

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U+2123F is not a valid unicode character.
Encodings
HTML Entity (decimal) 𡈿
HTML Entity (hex) 𡈿
How to type in Microsoft Windows Alt +2123F
UTF-8 (hex) 0xF0 0xA1 0x88 0xBF (f0a188bf)
UTF-8 (binary) 11110000:10100001:10001000:10111111
UTF-16 (hex) 0xD844 0xDE3F (d844de3f)
UTF-16 (decimal) 55,364 56,895
UTF-32 (hex) 0x0002123F (2123f)
UTF-32 (decimal) 135,743
C/C++/Java source code "\uD844\uDE3F"
Python source code u"\U0002123F"
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Java Data
string.toUpperCase() 𡈿
string.toLowerCase() 𡈿
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