U+1D791 "𝞑" Mathematical Sans-Serif Bold Italic Capital Beta Unicode Character

U+1D791 "𝞑" Mathematical Sans-Serif Bold Italic Capital Beta is a stylized version of the Greek letter Beta, designed for use in mathematical and scientific contexts where typographic variation conveys specific meaning. It belongs to the block of Mathematical Alphanumeric Symbols, which provides distinct single characters for letters in various formats to avoid ambiguity in formulas and academic notation. This specific character combines a sans-serif typeface with bold and italic styles, making it useful for denoting variables, vectors, or constants in fields such as physics, engineering, and advanced mathematics, where its appearance clearly distinguishes it from standard Greek text.

General Properties

Code Point	U+1D791
Version Added	3.1
Name	Mathematical Sans-Serif Bold Italic Capital Beta
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"Β" U+0392 Greek Capital Letter Beta

Encodings

HTML Decimal Encoding	𝞑
HTML Hex Encoding	𝞑
UTF-8 Encoding	0xF0 0x9D 0x9E 0x91
UTF-16 Encoding	0xD835 0xDF91
UTF-32 Encoding	0x0001D791
C/C++/Java Escape	\ud835\udf91

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	"β" U+03B2 Greek Small Letter Beta
NFKC Simple Casefold	"β" U+03B2 Greek Small Letter Beta
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