Code point
U+338C
Glyph appearance depends on your fonts.
U+338C
So<square> 03BC 0046U+338C SQUARE MU F 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+338C
13196
㎌
㎌
E3 8E 8C
338C
0000338C
%E3%8E%8C
\u338C
\u338C
\u338C
\338C