U+2133 "ℳ" Script Capital M Unicode Character

U+2133 "ℳ" Script Capital M is a typographic symbol representing a stylized, handwritten uppercase M, which is primarily used in mathematical notation to denote a set of ordinal numbers, specifically in the context of surreal numbers or as the symbol for the set of all real numbers in some older mathematical works. It is also sometimes associated with the German currency symbol for the Mark, though its primary purpose in the Unicode standard is as a mathematical alphanumeric character within the Letterlike Symbols block. This character provides a distinct visual variant of the capital M for use in formal mathematical expressions where such a script style is preferred over the standard Latin letter.

General Properties

Code Point	U+2133
Version Added	1.1
Name	Script Capital M
Unicode 1.0 Name	Script M
Block	Letterlike Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"M" U+004D Latin Capital Letter M

Encodings

HTML Decimal Encoding	ℳ
HTML Hex Encoding	ℳ
UTF-8 Encoding	0xE2 0x84 0xB3
UTF-16 Encoding	0x2133
UTF-32 Encoding	0x00002133
C/C++/Java Escape	\u2133

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Uppercase	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	Upper