Code point
U+1691
Glyph appearance depends on your fonts.
U+1691
LoU+1691 OGHAM LETTER ONN is a Unicode 16.0.0 character in the Other Letter category. It belongs to the Ogham block.
Choose the representation you need, then copy its value.
U+1691
5777
ᚑ
ᚑ
E1 9A 91
1691
00001691
%E1%9A%91
\u1691
\u1691
\u1691
\1691