U+1D4A9 "𝒩" Mathematical Script Capital N Unicode Character

U+1D4A9 "𝒩" Mathematical Script Capital N is a glyph from the Mathematical Alphanumeric Symbols block, specifically designed for use in mathematical and scientific notation where letters need to represent sets, functions, or variables in a distinct script style. It belongs to the "Mathematical Script" series, often used to denote mathematical objects such as a normal subgroup in group theory, the natural numbers (though ℕ is more common), or a neighborhood in topology. The character is part of a larger set that allows mathematicians to differentiate between ordinary Latin text and specialized mathematical expressions, ensuring clarity in complex formulas and typeset documents.

General Properties

Code Point	U+1D4A9
Version Added	3.1
Name	Mathematical Script Capital N
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"N" U+004E Latin Capital Letter N

Encodings

HTML Decimal Encoding	𝒩
HTML Hex Encoding	𝒩
UTF-8 Encoding	0xF0 0x9D 0x92 0xA9
UTF-16 Encoding	0xD835 0xDCA9
UTF-32 Encoding	0x0001D4A9
C/C++/Java Escape	\ud835\udca9

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	"n" U+006E Latin Small Letter N
NFKC Simple Casefold	"n" U+006E Latin Small Letter N
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