U+1D44B "𝑋" Mathematical Italic Capital X Unicode Character
Unicode Version 18.0
Source: Browser Default
U+1D44B "𝑋" Mathematical Italic Capital X is a typographic variant of the standard uppercase X, designed primarily for use in mathematical and scientific notation to represent variables or constants in italicized expression. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced to distinguish mathematical letters from ordinary text for improved clarity in digital document processing. This specific character is often employed in algebra, calculus, and physics to denote unknown values, axes, or functions, and its italic style follows the traditional convention of slanted type for variables in typesetting.
General Properties
Code Point
U+1D44B
Name
Mathematical Italic Capital X
Decomposition Mapping
Encodings
HTML Decimal Encoding
𝑋
HTML Hex Encoding
𝑋
UTF-8 Encoding
0xF0 0x9D 0x91 0x8B
UTF-16 Encoding
0xD835 0xDC4B
UTF-32 Encoding
0x0001D44B
C/C++/Java Escape
\ud835\udc4b
Unicode Properties
Numeric Value
NaN
NFKC Casefold
NFKC Simple Casefold
Script Extensions
Common