U+1D609 "𝘉" Mathematical Sans-Serif Italic Capital B Unicode Character

U+1D609 "𝘉" Mathematical Sans-Serif Italic Capital B is a typographic symbol belonging to the Mathematical Alphanumeric Symbols block, designed for use in scientific and mathematical notation to represent the uppercase letter B in a sans-serif italic style. It allows authors to distinguish variables, constants, or special mathematical terms from plain text, particularly in contexts where standard italic letters might be ambiguous or where a clean, modern appearance is desired. This character is part of a larger set that provides specialized glyphs for various mathematical disciplines, ensuring precise semantic meaning in digital documents and academic manuscripts.

General Properties

Code Point	U+1D609
Version Added	3.1
Name	Mathematical Sans-Serif Italic 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 0x98 0x89
UTF-16 Encoding	0xD835 0xDE09
UTF-32 Encoding	0x0001D609
C/C++/Java Escape	\ud835\ude09

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