Code point
U+2A3B
Glyph appearance depends on your fonts.
U+2A3B
SmU+2A3B MULTIPLICATION SIGN IN TRIANGLE 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+2A3B
10811
⨻
⨻
⨻
E2 A8 BB
2A3B
00002A3B
%E2%A8%BB
\u2A3B
\u2A3B
\u2A3B
\2A3B