Code point
U+1D5B1
Glyph appearance depends on your fonts.
U+1D5B1
Lu<font> 0052U+1D5B1 MATHEMATICAL SANS-SERIF CAPITAL R is a Unicode 16.0.0 character in the Uppercase Letter category. It belongs to the Mathematical Alphanumeric Symbols block.
Choose the representation you need, then copy its value.
U+1D5B1
120241
𝖱
𝖱
F0 9D 96 B1
D835 DDB1
0001D5B1
%F0%9D%96%B1
\U0001D5B1
\u{1D5B1}
\uD835\uDDB1
\1D5B1