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

Image

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)	𝟙
HTML Entity (hex)	𝟙
How to type in Microsoft Windows	Alt +01D7D9
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 (01d7d9)
UTF-32 (decimal)	120,793
C/C++/Java source code	"\uD835\uDFD9"
Python source code	u"\uD835\uDFD9"
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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