Code point
U+1D53B
Glyph appearance depends on your fonts.
U+1D53B
Lu<font> 0044U+1D53B MATHEMATICAL DOUBLE-STRUCK CAPITAL D 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+1D53B
120123
𝔻
𝔻
𝔻
F0 9D 94 BB
D835 DD3B
0001D53B
%F0%9D%94%BB
\U0001D53B
\u{1D53B}
\uD835\uDD3B
\1D53B