This character is a Other Number and is commonly used, that is, in no specific script. The codepoint represents the digit8.
The glyph is a superscript version of the glyph Glyph for U+0038Digit Eight. It has no designated width in East Asian texts. In bidirectional text it is written as European number from left to right. When changing direction it is not mirrored. The word that U+2078 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
8 (eight) is the natural number following 7 and preceding 9.
Representations
System
Representation (click value to copy)
Nº
8312
UTF-8
E2 81 B8
UTF-16
20 78
UTF-32
00 00 20 78
URL-Quoted
%E2%81%B8
HTML hex reference
⁸
Wrong windows-1252 Mojibake
â¸
Encoding: GB18030 (hex bytes)
81 36 AE 30
AGL: Latin-4
eight.superior
AGL: Latin-5
eight.superior
Adobe Glyph List
eightsuperior
digraph
8S
RFC 5137
\u'2078'
Bash and Zsh inside echo -e
\u2078
C and C++
\u2078
C#
\u2078
CSS
\002078
Excel
=UNICHAR(8312)
Go
\u2078
JavaScript
\u2078
Modern JavaScript since ES6
\u{2078}
JSON
\u2078
Java
\u2078
Lua
\u{2078}
Matlab
char(8312)
Perl
"\x{2078}"
PHP
\u{2078}
PostgreSQL
U&'\2078'
PowerShell
`u{2078}
Python
\u2078
Ruby
\u{2078}
Rust
\u{2078}
Click the star button next to each label to set this representation as favorite or remove it from the favorites. Favorites will be shown initially. (Favorites are stored locally on your computer and never sent over the internet.)