U+21F3F

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U+21F3F is not a valid unicode character.
Encodings
HTML Entity (decimal) 𡼿
HTML Entity (hex) 𡼿
How to type in Microsoft Windows Alt +21F3F
UTF-8 (hex) 0xF0 0xA1 0xBC 0xBF (f0a1bcbf)
UTF-8 (binary) 11110000:10100001:10111100:10111111
UTF-16 (hex) 0xD847 0xDF3F (d847df3f)
UTF-16 (decimal) 55,367 57,151
UTF-32 (hex) 0x00021F3F (21f3f)
UTF-32 (decimal) 139,071
C/C++/Java source code "\uD847\uDF3F"
Python source code u"\U00021F3F"
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Java Data
string.toUpperCase() 𡼿
string.toLowerCase() 𡼿
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