U+1D5B4 "𝖴" Mathematical Sans-Serif Capital U Unicode Character

U+1D5B4 "𝖴" Mathematical Sans-Serif Capital U is a stylized variant of the standard Latin capital letter U, designed for use in mathematical and scientific notation where a sans-serif typeface is preferred. This character belongs to the Mathematical Alphanumeric Symbols block, which was added to the Unicode standard to allow clear differentiation between letters used as variables, constants, or operators and those in surrounding prose. The sans-serif style of "𝖴" gives it a clean, modern appearance often employed in fields like physics, computer science, and formal logic, helping to avoid confusion with serif fonts that might be used for the main text.

General Properties

Code Point	U+1D5B4
Version Added	3.1
Name	Mathematical Sans-Serif Capital U
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"U" U+0055 Latin Capital Letter U

Encodings

HTML Decimal Encoding	𝖴
HTML Hex Encoding	𝖴
UTF-8 Encoding	0xF0 0x9D 0x96 0xB4
UTF-16 Encoding	0xD835 0xDDB4
UTF-32 Encoding	0x0001D5B4
C/C++/Java Escape	\ud835\uddb4

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	"u" U+0075 Latin Small Letter U
NFKC Simple Casefold	"u" U+0075 Latin Small Letter U
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