U+1D56D "𝕭" Mathematical Bold Fraktur Capital B Unicode Character

U+1D56D "𝕭" Mathematical Bold Fraktur Capital B is a stylized letterform used primarily in mathematical and academic notation, particularly within areas like set theory, linear algebra, and number theory to denote abstract concepts such as power sets, blackboard bold sets, or special mathematical structures. This character belongs to the "Mathematical Alphanumeric Symbols" block, combining the ornate blackletter or Fraktur style with a bold weight to provide visual distinction from ordinary text. It is encoded specifically for plain text representation in digital documents, ensuring that its specialized appearance remains consistent across different platforms and fonts.

General Properties

Code Point	U+1D56D
Version Added	3.1
Name	Mathematical Bold Fraktur Capital B
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"B" U+0042 Latin Capital Letter B

Encodings

HTML Decimal Encoding	𝕭
HTML Hex Encoding	𝕭
UTF-8 Encoding	0xF0 0x9D 0x95 0xAD
UTF-16 Encoding	0xD835 0xDD6D
UTF-32 Encoding	0x0001D56D
C/C++/Java Escape	\ud835\udd6d

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	"b" U+0062 Latin Small Letter B
NFKC Simple Casefold	"b" U+0062 Latin Small Letter B
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