U+28FEF

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U+28FEF is not a valid unicode character.
Encodings
HTML Entity (decimal) 𨿯
HTML Entity (hex) 𨿯
How to type in Microsoft Windows Alt +28FEF
UTF-8 (hex) 0xF0 0xA8 0xBF 0xAF (f0a8bfaf)
UTF-8 (binary) 11110000:10101000:10111111:10101111
UTF-16 (hex) 0xD863 0xDFEF (d863dfef)
UTF-16 (decimal) 55,395 57,327
UTF-32 (hex) 0x00028FEF (28fef)
UTF-32 (decimal) 167,919
C/C++/Java source code "\uD863\uDFEF"
Python source code u"\U00028FEF"
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Java Data
string.toUpperCase() 𨿯
string.toLowerCase() 𨿯
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