Code point
U+29FB
Glyph appearance depends on your fonts.
U+29FB
SmU+29FB TRIPLE PLUS is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Miscellaneous Mathematical Symbols-B block.
Choose the representation you need, then copy its value.
U+29FB
10747
⧻
⧻
E2 A7 BB
29FB
000029FB
%E2%A7%BB
\u29FB
\u29FB
\u29FB
\29FB