Unicode Character 'MATHEMATICAL DOUBLE-STRUCK DIGIT ONE' (U+1D7D9)

Unicode Character 'MATHEMATICAL DOUBLE-STRUCK DIGIT ONE' (U+1D7D9)

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Unicode Data
Name MATHEMATICAL DOUBLE-STRUCK DIGIT ONE
Block Mathematical Alphanumeric Symbols
Category Number, Decimal Digit [Nd]
Combine 0
BIDI European Number [EN]
Decomposition <font> DIGIT ONE (U+0031)
Mirror N
Numeric 1
Version Unicode 3.1.0 (March, 2001)
Encodings
HTML Entity (decimal) &#120793;
HTML Entity (hex) &#x1d7d9;
How to type in Microsoft Windows Alt +1D7D9
UTF-8 (hex) 0xF0 0x9D 0x9F 0x99 (f09d9f99)
UTF-8 (binary) 11110000:10011101:10011111:10011001
UTF-16 (hex) 0xD835 0xDFD9 (d835dfd9)
UTF-16 (decimal) 55,349 57,305
UTF-32 (hex) 0x0001D7D9 (1d7d9)
UTF-32 (decimal) 120,793
C/C++/Java source code "\uD835\uDFD9"
Python source code u"\U0001D7D9"
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Java Data
string.toUpperCase() 𝟙
string.toLowerCase() 𝟙
Character.UnicodeBlock MATHEMATICAL_ALPHANUMERIC_SYMBOLS
Character.charCount() 2
Character.getDirectionality() DIRECTIONALITY_EUROPEAN_NUMBER [3]
Character.getNumericValue() 1
Character.getType() 9
Character.isDefined() Yes
Character.isDigit() Yes
Character.isIdentifierIgnorable() No
Character.isISOControl() No
Character.isJavaIdentifierPart() Yes
Character.isJavaIdentifierStart() No
Character.isLetter() No
Character.isLetterOrDigit() Yes
Character.isLowerCase() No
Character.isMirrored() No
Character.isSpaceChar() No
Character.isSupplementaryCodePoint() Yes
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() Yes
Character.isUnicodeIdentifierStart() No
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No