Code point
U+334B
Glyph appearance depends on your fonts.
U+334B
So<square> 30E1 30ACU+334B SQUARE MEGA 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+334B
13131
㍋
㍋
E3 8D 8B
334B
0000334B
%E3%8D%8B
\u334B
\u334B
\u334B
\334B