Code point
U+2A4F
Glyph appearance depends on your fonts.
U+2A4F
SmU+2A4F DOUBLE SQUARE UNION is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Supplemental Mathematical Operators block.
Choose the representation you need, then copy its value.
U+2A4F
10831
⩏
⩏
E2 A9 8F
2A4F
00002A4F
%E2%A9%8F
\u2A4F
\u2A4F
\u2A4F
\2A4F