Code point
U+2780
Glyph appearance depends on your fonts.
U+2780
NoU+2780 DINGBAT CIRCLED SANS-SERIF DIGIT ONE is a Unicode 16.0.0 character in the Other Number category. It belongs to the Dingbats block.
Choose the representation you need, then copy its value.
U+2780
10112
➀
➀
E2 9E 80
2780
00002780
%E2%9E%80
\u2780
\u2780
\u2780
\2780