Unicode Character 'LEIBNIZIAN EQUALS SIGN WITH DOUBLE VERTICALS' (U+1DB01)

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𝬁
U+1DB01 browser display

LEIBNIZIAN EQUALS SIGN WITH DOUBLE VERTICALS

image of Unicode Character 'LEIBNIZIAN EQUALS SIGN WITH DOUBLE VERTICALS' (U+1DB01)
Raster image of U+1DB01

LEIBNIZIAN EQUALS SIGN WITH DOUBLE VERTICALS

Unicode Data
Name LEIBNIZIAN EQUALS SIGN WITH DOUBLE VERTICALS
Block Miscellaneous Symbols and Arrows Extended
Category Symbol, Math [Sm]
Script Common (Zyyy)
Combine 0
BIDI Other Neutrals [ON]
Version Unicode 18.0 (September 2026)
Encodings
HTML Entity (decimal) 𝬁
HTML Entity (hex) 𝬁
How to type in Microsoft Windows Alt +1DB01
UTF-8 (hex) 0xF0 0x9D 0xAC 0x81 (f09dac81)
UTF-8 (binary) 11110000:10011101:10101100:10000001
UTF-16 (hex) 0xD836 0xDF01 (d836df01)
UTF-16 (decimal) 55,350 57,089
UTF-32 (hex) 0x0001DB01 (1db01)
UTF-32 (decimal) 121,601
C/C++/Java source code "\uD836\uDF01"
Python source code u"\U0001DB01"
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Java Data
string.toUpperCase() 𝬁
string.toLowerCase() 𝬁
Character.UnicodeBlock (none)
Character.charCount() 2
Character.getDirectionality() DIRECTIONALITY_UNDEFINED [-1]
Character.getNumericValue() -1
Character.getType() 0
Character.isDefined() No
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() Yes
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() No
Character.isUnicodeIdentifierStart() No
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No