U+1D430 "𝐰" Mathematical Bold Small W Unicode Character

U+1D430 "𝐰" Mathematical Bold Small W is a typographic variant of the lowercase letter "w" designed for mathematical and scientific notation, where it is used to denote variables, vectors, sets, or constants with a bold weight to distinguish them from standard text. This character belongs to the Mathematical Alphanumeric Symbols block, which was created to provide unambiguous, style-specific letter forms for use in mathematical typesetting without mixing them with ordinary text formatting. While it visually resembles a bold "w", its separate encoding ensures it is treated as a distinct mathematical symbol, preserving proper rendering and semantic meaning in complex equations.

General Properties

Code Point	U+1D430
Version Added	3.1
Name	Mathematical Bold Small W
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"w" U+0077 Latin Small Letter W

Encodings

HTML Decimal Encoding	𝐰
HTML Hex Encoding	𝐰
UTF-8 Encoding	0xF0 0x9D 0x90 0xB0
UTF-16 Encoding	0xD835 0xDC30
UTF-32 Encoding	0x0001D430
C/C++/Java Escape	\ud835\udc30

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	"w" U+0077 Latin Small Letter W
NFKC Simple Casefold	"w" U+0077 Latin Small Letter W
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