U+1D4EB "𝓫" Mathematical Bold Script Small B Unicode Character

Unicode Version 17.0

𝓫

U+1D4EB "𝓫" Mathematical Bold Script Small B is a stylized letter B from the mathematical alphanumeric symbols block, designed for use in mathematical and scientific notation where a bold, cursive variant of the lowercase B is needed to represent a specific variable, constant, or mathematical object. This character belongs to a comprehensive set of script letters that allow writers to visually distinguish different types of quantities or functions within equations, such as sets, vectors, or tensors, without relying on standard italics or bold formatting. Its inclusion in Unicode ensures that it can be consistently displayed and exchanged across digital platforms, fonts, and text processing systems, preserving the intended typographical distinction in academic papers, textbooks, and technical documents.

General Properties

Code Point U+1D4EB
Version Added 3.1
Name Mathematical Bold Script Small B
Block Mathematical Alphanumeric Symbols
General Category Lowercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "b" U+0062 Latin Small Letter B

Encodings

HTML Decimal Encoding 𝓫
HTML Hex Encoding 𝓫
UTF-8 Encoding 0xF0 0x9D 0x93 0xAB
UTF-16 Encoding 0xD835 0xDCEB
UTF-32 Encoding 0x0001D4EB
C/C++/Java Escape \ud835\udceb

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
Lowercase 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 Lower