U+1D644 "𝙄" Mathematical Sans-Serif Bold Italic Capital I Unicode Character
Unicode Version 18.0
Source: Browser Default
U+1D644 "𝙄" Mathematical Sans-Serif Bold Italic Capital I is part of the Mathematical Alphanumeric Symbols block, designed for use in scientific and mathematical notation to represent variables, constants, or matrices with a distinct, non-serif style. This character allows authors to clearly differentiate mathematical expressions from surrounding plain text, particularly when a bold, italic, sans-serif appearance is needed for typographic consistency. It is encoded in the Supplementary Multilingual Plane and is not intended for general textual use, but specifically for mathematical formatting in contexts like digital documents, academic papers, or equations.
𝙃
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U+1D643
Mathematical Sans-Serif Bold Italic Capital H
𝙅
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U+1D645
Mathematical Sans-Serif Bold Italic Capital J
General Properties
Code Point
U+1D644
Name
Mathematical Sans-Serif Bold Italic Capital I
Decomposition Mapping
Encodings
HTML Decimal Encoding
𝙄
HTML Hex Encoding
𝙄
UTF-8 Encoding
0xF0 0x9D 0x99 0x84
UTF-16 Encoding
0xD835 0xDE44
UTF-32 Encoding
0x0001D644
C/C++/Java Escape
\ud835\ude44
Unicode Properties
Numeric Value
NaN
NFKC Casefold
NFKC Simple Casefold
Script Extensions
Common