U+1D456 "𝑖" Mathematical Italic Small I Unicode Character
Unicode Version 18.0
Source: Browser Default
U+1D456 "𝑖" Mathematical Italic Small I is a typographic variant of the Latin letter "i" specifically designed for use in mathematical and scientific notation, where it represents an italicized variable, typically an index or an imaginary unit. It belongs to the Mathematical Alphanumeric Symbols block, allowing authors to distinguish mathematical italic characters from ordinary text, preventing formatting conflicts with default italic styling in documents. This character ensures semantic clarity in equations and technical writing, particularly in fields like physics, engineering, and advanced mathematics, where the same letter may serve both textual and symbolic roles.
General Properties
Code Point
U+1D456
Name
Mathematical Italic Small I
Decomposition Mapping
Encodings
HTML Decimal Encoding
𝑖
HTML Hex Encoding
𝑖
UTF-8 Encoding
0xF0 0x9D 0x91 0x96
UTF-16 Encoding
0xD835 0xDC56
UTF-32 Encoding
0x0001D456
C/C++/Java Escape
\ud835\udc56
Unicode Properties
Numeric Value
NaN
NFKC Casefold
NFKC Simple Casefold
Script Extensions
Common