Code point
U+33A8
Glyph appearance depends on your fonts.
U+33A8
So<square> 006D 2215 0073 00B2U+33A8 SQUARE M OVER S SQUARED is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the CJK Compatibility block.
Choose the representation you need, then copy its value.
U+33A8
13224
㎨
㎨
E3 8E A8
33A8
000033A8
%E3%8E%A8
\u33A8
\u33A8
\u33A8
\33A8