Code point
U+2118
Glyph appearance depends on your fonts.
U+2118
SmU+2118 SCRIPT CAPITAL P is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Letterlike Symbols block.
Choose the representation you need, then copy its value.
U+2118
8472
℘
℘
℘
E2 84 98
2118
00002118
%E2%84%98
\u2118
\u2118
\u2118
\2118