Code point
U+2343
Glyph appearance depends on your fonts.
U+2343
SoU+2343 APL FUNCTIONAL SYMBOL QUAD LESS-THAN 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+2343
9027
⍃
⍃
E2 8D 83
2343
00002343
%E2%8D%83
\u2343
\u2343
\u2343
\2343