Code point
U+246C
Glyph appearance depends on your fonts.
U+246C
No<circle> 0031 0033U+246C CIRCLED NUMBER THIRTEEN is a Unicode 16.0.0 character in the Other Number category. It belongs to the Enclosed Alphanumerics block.
Choose the representation you need, then copy its value.
U+246C
9324
⑬
⑬
E2 91 AC
246C
0000246C
%E2%91%AC
\u246C
\u246C
\u246C
\246C