Code point
U+1F141
Glyph appearance depends on your fonts.
U+1F141
So<square> 0052U+1F141 SQUARED LATIN CAPITAL LETTER R 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+1F141
127297
🅁
🅁
F0 9F 85 81
D83C DD41
0001F141
%F0%9F%85%81
\U0001F141
\u{1F141}
\uD83C\uDD41
\1F141