Code point
U+1F147
Glyph appearance depends on your fonts.
U+1F147
So<square> 0058U+1F147 SQUARED LATIN CAPITAL LETTER X is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Enclosed Alphanumeric Supplement block.
Choose the representation you need, then copy its value.
U+1F147
127303
🅇
🅇
F0 9F 85 87
D83C DD47
0001F147
%F0%9F%85%87
\U0001F147
\u{1F147}
\uD83C\uDD47
\1F147