Code point
U+1F178
Glyph appearance depends on your fonts.
U+1F178
SoU+1F178 NEGATIVE SQUARED LATIN CAPITAL LETTER I 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+1F178
127352
🅸
🅸
F0 9F 85 B8
D83C DD78
0001F178
%F0%9F%85%B8
\U0001F178
\u{1F178}
\uD83C\uDD78
\1F178