Code point
U+1D7F0
Glyph appearance depends on your fonts.
U+1D7F0
Nd<font> 0034U+1D7F0 MATHEMATICAL SANS-SERIF BOLD DIGIT FOUR is a Unicode 16.0.0 character in the Decimal Digit Number category. It belongs to the Mathematical Alphanumeric Symbols block.
Choose the representation you need, then copy its value.
U+1D7F0
120816
𝟰
𝟰
F0 9D 9F B0
D835 DFF0
0001D7F0
%F0%9D%9F%B0
\U0001D7F0
\u{1D7F0}
\uD835\uDFF0
\1D7F0