Code point
U+2779
Glyph appearance depends on your fonts.
U+2779
NoU+2779 DINGBAT NEGATIVE CIRCLED DIGIT FOUR 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+2779
10105
❹
❹
E2 9D B9
2779
00002779
%E2%9D%B9
\u2779
\u2779
\u2779
\2779