Code point
U+1D146
Glyph appearance depends on your fonts.
U+1D146
SoU+1D146 MUSICAL SYMBOL SQUARE NOTEHEAD WHITE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Musical Symbols block.
Choose the representation you need, then copy its value.
U+1D146
119110
𝅆
𝅆
F0 9D 85 86
D834 DD46
0001D146
%F0%9D%85%86
\U0001D146
\u{1D146}
\uD834\uDD46
\1D146