Code point
U+2256
Glyph appearance depends on your fonts.
U+2256
SmU+2256 RING IN EQUAL TO is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Mathematical Operators block.
Choose the representation you need, then copy its value.
U+2256
8790
≖
≖
≖
E2 89 96
2256
00002256
%E2%89%96
\u2256
\u2256
\u2256
\2256