U+1D405 "𝐅" Mathematical Bold Capital F Unicode Character

U+1D405 "𝐅" Mathematical Bold Capital F is part of the Mathematical Alphanumeric Symbols block, specifically designed for use in mathematical and scientific notation where a bold, upright uppercase letter F is needed to distinguish it from ordinary text. It belongs to a style often employed to denote vectors, matrices, or specific variables in formulas, ensuring clarity in complex equations. This character originates from the mathematical typesetting conventions standardized in Unicode to separate special typographic forms from the standard Latin alphabet, allowing mathematicians and scientists to render bold characters without relying on font styling that might be lost across different platforms.

General Properties

Code Point	U+1D405
Version Added	3.1
Name	Mathematical Bold Capital F
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"F" U+0046 Latin Capital Letter F

Encodings

HTML Decimal Encoding	𝐅
HTML Hex Encoding	𝐅
UTF-8 Encoding	0xF0 0x9D 0x90 0x85
UTF-16 Encoding	0xD835 0xDC05
UTF-32 Encoding	0x0001D405
C/C++/Java Escape	\ud835\udc05

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	"f" U+0066 Latin Small Letter F
NFKC Simple Casefold	"f" U+0066 Latin Small Letter F
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