Code point
U+3371
Glyph appearance depends on your fonts.
U+3371
So<square> 0068 0050 0061U+3371 SQUARE HPA 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+3371
13169
㍱
㍱
E3 8D B1
3371
00003371
%E3%8D%B1
\u3371
\u3371
\u3371
\3371