U+1D78C "𝞌" Mathematical Sans-Serif Bold Kappa Symbol Unicode Character

U+1D78C "𝞌" Mathematical Sans-Serif Bold Kappa Symbol is a typographic glyph designed for use in mathematical and scientific notation, representing the Greek letter kappa in a bold, sans-serif typeface. It belongs to the Mathematical Alphanumeric Symbols block, which provides distinct letterforms to avoid confusion between mathematical variables and ordinary text. This specific character is commonly employed in fields such as physics, engineering, and statistics to denote constants, angles, or coefficients, like the thermal conductivity constant or the curvature parameter, and its sans-serif bold style ensures clear differentiation from other alphabetic symbols in complex equations.

General Properties

Code Point	U+1D78C
Version Added	3.1
Name	Mathematical Sans-Serif Bold Kappa Symbol
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"ϰ" U+03F0 Greek Kappa Symbol

Encodings

HTML Decimal Encoding	𝞌
HTML Hex Encoding	𝞌
UTF-8 Encoding	0xF0 0x9D 0x9E 0x8C
UTF-16 Encoding	0xD835 0xDF8C
UTF-32 Encoding	0x0001D78C
C/C++/Java Escape	\ud835\udf8c

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	"κ" U+03BA Greek Small Letter Kappa
NFKC Simple Casefold	"κ" U+03BA Greek Small Letter Kappa
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