Code point
U+29B2
Glyph appearance depends on your fonts.
U+29B2
SmU+29B2 EMPTY SET WITH SMALL CIRCLE ABOVE is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Miscellaneous Mathematical Symbols-B block.
Choose the representation you need, then copy its value.
U+29B2
10674
⦲
⦲
⦲
E2 A6 B2
29B2
000029B2
%E2%A6%B2
\u29B2
\u29B2
\u29B2
\29B2