Code point
U+2374
Glyph appearance depends on your fonts.
U+2374
SoU+2374 APL FUNCTIONAL SYMBOL RHO is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Miscellaneous Technical block.
Choose the representation you need, then copy its value.
U+2374
9076
⍴
⍴
E2 8D B4
2374
00002374
%E2%8D%B4
\u2374
\u2374
\u2374
\2374