U+1D6DE "𝛞" Mathematical Bold Kappa Symbol Unicode Character

U+1D6DE "𝛞" Mathematical Bold Kappa Symbol is a typographic variant of the Greek letter kappa, intended for use in mathematical and scientific notation where a bold weight is required to distinguish variables, vectors, or special constants. It belongs to the Mathematical Alphanumeric Symbols block, which provides separate coded representations for letters in various styles such as bold, italic, and script to avoid ambiguity in technical documents. This specific character is often employed in fields like physics, engineering, or advanced mathematics to denote specific parameters, such as thermal conductivity or wave numbers, where its bold formatting signals a distinct mathematical meaning without relying on external formatting commands.

General Properties

Code Point	U+1D6DE
Version Added	3.1
Name	Mathematical 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 0x9B 0x9E
UTF-16 Encoding	0xD835 0xDEDE
UTF-32 Encoding	0x0001D6DE
C/C++/Java Escape	\ud835\udede

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