Code point
U+2A16
Glyph appearance depends on your fonts.
U+2A16
SmU+2A16 QUATERNION INTEGRAL OPERATOR is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Supplemental Mathematical Operators block.
Choose the representation you need, then copy its value.
U+2A16
10774
⨖
⨖
⨖
E2 A8 96
2A16
00002A16
%E2%A8%96
\u2A16
\u2A16
\u2A16
\2A16