U+1D5D5 "𝗕" Mathematical Sans-Serif Bold Capital B Unicode Character

Unicode Version 17.0

𝗕

U+1D5D5 "𝗕" Mathematical Sans-Serif Bold Capital B is a stylized variant of the uppercase letter B, designed in a sans-serif bold typeface for use in mathematical and scientific notation. Belonging to the Mathematical Alphanumeric Symbols block, it allows writers and researchers to represent a bold B without relying on formatting conventions like bolding or font changes, which can be lost in plain text. This character is part of a comprehensive set of alphanumeric symbols that ensures consistent rendering of mathematical expressions across different platforms and software, particularly useful in contexts such as vector notation, set theory, or identifying matrices. Its unique code point distinguishes it from the regular bold Latin B, enabling precise semantic meaning in digital communication and academic documents.

General Properties

Code Point U+1D5D5
Version Added 3.1
Name Mathematical Sans-Serif Bold 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 0x97 0x95
UTF-16 Encoding 0xD835 0xDDD5
UTF-32 Encoding 0x0001D5D5
C/C++/Java Escape \ud835\uddd5

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