Code point
U+1F171
Glyph appearance depends on your fonts.
U+1F171
SoU+1F171 NEGATIVE SQUARED LATIN CAPITAL LETTER B 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+1F171
127345
🅱
🅱
F0 9F 85 B1
D83C DD71
0001F171
%F0%9F%85%B1
\U0001F171
\u{1F171}
\uD83C\uDD71
\1F171