U+0008, 
<control-0008>
(Abbreviation: BS)
[unassigned: U+0000–U+0007][unassigned: U+0009–U+001F]
Basic Latin
[U+0020]
Presentations of 8︎
Text
style
Emoji
style
8︎ 8️
Note: Character's appearance
may be different on each system.
Text style is forced with &#xFE0E;
and emoji style with &#xFE0F;

Emoji