Code point
U+29DD
Glyph appearance depends on your fonts.
U+29DD
SmU+29DD TIE OVER INFINITY 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+29DD
10717
⧝
⧝
⧝
E2 A7 9D
29DD
000029DD
%E2%A7%9D
\u29DD
\u29DD
\u29DD
\29DD