Code point
U+3800
Glyph appearance depends on your fonts.
U+3800
LoU+3800 CJK UNIFIED IDEOGRAPH-3800 is a Unicode 16.0.0 character in the Other Letter category. It belongs to the CJK Unified Ideographs Extension A block.
Choose the representation you need, then copy its value.
U+3800
14336
㠀
㠀
E3 A0 80
3800
00003800
%E3%A0%80
\u3800
\u3800
\u3800
\3800