U+1D40D "𝐍" Mathematical Bold Capital N Unicode Character

U+1D40D "𝐍" Mathematical Bold Capital N is a stylized variant of the standard Latin capital letter N, designed specifically for mathematical and scientific notation to distinguish variables, vectors, or matrices in bold typeface when plain text formatting is not available or appropriate. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced to provide a wide range of letter forms for use in equations and technical documents, ensuring clarity and avoiding confusion with ordinary text. This character is particularly useful in fields like physics, engineering, and computer science, where bold letters often denote sets, dimensions, or special functions such as the natural numbers or a specific matrix.

General Properties

Code Point	U+1D40D
Version Added	3.1
Name	Mathematical Bold 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 0x90 0x8D
UTF-16 Encoding	0xD835 0xDC0D
UTF-32 Encoding	0x0001D40D
C/C++/Java Escape	\ud835\udc0d

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