Code point
U+29C7
Glyph appearance depends on your fonts.
U+29C7
SmU+29C7 SQUARED SMALL CIRCLE 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+29C7
10695
⧇
⧇
E2 A7 87
29C7
000029C7
%E2%A7%87
\u29C7
\u29C7
\u29C7
\29C7