Code point
U+1D5B7
Glyph appearance depends on your fonts.
U+1D5B7
Lu<font> 0058U+1D5B7 MATHEMATICAL SANS-SERIF CAPITAL X 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+1D5B7
120247
𝖷
𝖷
F0 9D 96 B7
D835 DDB7
0001D5B7
%F0%9D%96%B7
\U0001D5B7
\u{1D5B7}
\uD835\uDDB7
\1D5B7