Unicode Character 'CIRCLED NUMBER TWENTY ONE' (U+3251)

Unicode Character 'CIRCLED NUMBER TWENTY ONE' (U+3251)

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Unicode Data
Name CIRCLED NUMBER TWENTY ONE
Block Enclosed CJK Letters and Months
Category Number, Other [No]
Combine 0
BIDI Other Neutrals [ON]
Decomposition <circle> DIGIT TWO (U+0032) DIGIT ONE (U+0031)
Mirror N
Numeric 21
Version Unicode 3.2.0 (March, 2002)
Encodings
HTML Entity (decimal) &#12881;
HTML Entity (hex) &#x3251;
How to type in Microsoft Windows Alt +3251
UTF-8 (hex) 0xE3 0x89 0x91 (e38991)
UTF-8 (binary) 11100011:10001001:10010001
UTF-16 (hex) 0x3251 (3251)
UTF-16 (decimal) 12,881
UTF-32 (hex) 0x00003251 (3251)
UTF-32 (decimal) 12,881
C/C++/Java source code "\u3251"
Python source code u"\u3251"
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Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock ENCLOSED_CJK_LETTERS_AND_MONTHS
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_OTHER_NEUTRALS [13]
Character.getNumericValue() 21
Character.getType() 11
Character.isDefined() Yes
Character.isDigit() No
Character.isIdentifierIgnorable() No
Character.isISOControl() No
Character.isJavaIdentifierPart() No
Character.isJavaIdentifierStart() No
Character.isLetter() No
Character.isLetterOrDigit() No
Character.isLowerCase() No
Character.isMirrored() No
Character.isSpaceChar() No
Character.isSupplementaryCodePoint() No
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() No
Character.isUnicodeIdentifierStart() No
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No