U+1D576 "𝕶" Mathematical Bold Fraktur Capital K Unicode Character

U+1D576 "𝕶" Mathematical Bold Fraktur Capital K is a typographic symbol belonging to the Mathematical Alphanumeric Symbols block, designed for use in formal mathematical and academic texts to represent a bold, blackletter "K". This character combines the historical Fraktur script style, often associated with German mathematical traditions, with a bold weight to provide visual emphasis in expressions involving algebraic structures or variable names. It is distinct from the standard Latin alphabet and is primarily intended for semantic distinction rather than decorative use, ensuring that the letter retains its mathematical meaning in documents that require precise formatting.

General Properties

Code Point	U+1D576
Version Added	3.1
Name	Mathematical Bold Fraktur Capital K
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"K" U+004B Latin Capital Letter K

Encodings

HTML Decimal Encoding	𝕶
HTML Hex Encoding	𝕶
UTF-8 Encoding	0xF0 0x9D 0x95 0xB6
UTF-16 Encoding	0xD835 0xDD76
UTF-32 Encoding	0x0001D576
C/C++/Java Escape	\ud835\udd76

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	"k" U+006B Latin Small Letter K
NFKC Simple Casefold	"k" U+006B Latin Small Letter K
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