U+1D45A "𝑚" Mathematical Italic Small M Unicode Character

Unicode Version 17.0

𝑚

U+1D45A "𝑚" Mathematical Italic Small M is a distinct typographic variant of the Latin letter 'm', specifically designed for use in mathematical and scientific notation to represent variables, constants, or other symbols where an italic style is required by convention, such as in equations involving mass or slope. Unlike the regular italic letter 'm' found in standard text fonts, this character belongs to a dedicated Unicode block for mathematical alphanumeric symbols, which ensures consistent appearance across different software and avoids confusion with ordinary text formatting. It is encoded separately to allow unambiguous semantic distinction, enabling documents and digital platforms to render mathematical expressions precisely without relying on font slanting or style overrides that might be lost or misinterpreted.

General Properties

Code Point U+1D45A
Version Added 3.1
Name Mathematical Italic Small M
Block Mathematical Alphanumeric Symbols
General Category Lowercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "m" U+006D Latin Small Letter M

Encodings

HTML Decimal Encoding 𝑚
HTML Hex Encoding 𝑚
UTF-8 Encoding 0xF0 0x9D 0x91 0x9A
UTF-16 Encoding 0xD835 0xDC5A
UTF-32 Encoding 0x0001D45A
C/C++/Java Escape \ud835\udc5a

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
Lowercase Yes
Cased Yes
Changes When NFKC Casefolded Yes
NFKC Casefold "m" U+006D Latin Small Letter M
NFKC Simple Casefold "m" U+006D Latin Small Letter M
Script Common
Script Extensions Common
Indic Syllabic Category Other
ID Start Yes
XID Start Yes
ID Continue Yes
XID Continue Yes
Alphabetic Yes
Math Yes
Other Math Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Alphabetic letter
Sentence Break Lower