This character is a Decimal Number and is mainly used in the Myanmar script. The codepoint has the decimal value 8.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. This number joins with other adjacent letters and numbers to form a word. U+1098 forms a number with similar characters, which 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
4248
UTF-8
E1 82 98
UTF-16
10 98
UTF-32
00 00 10 98
URL-Quoted
%E1%82%98
HTML hex reference
႘
Wrong windows-1252 Mojibake
႘
Encoding: GB18030 (hex bytes)
81 33 93 32
RFC 5137
\u'1098'
Bash and Zsh inside echo -e
\u1098
C and C++
\u1098
C#
\u1098
CSS
\001098
Excel
=UNICHAR(4248)
Go
\u1098
JavaScript
\u1098
Modern JavaScript since ES6
\u{1098}
JSON
\u1098
Java
\u1098
Lua
\u{1098}
Matlab
char(4248)
Perl
"\x{1098}"
PHP
\u{1098}
PostgreSQL
U&'\1098'
PowerShell
`u{1098}
Python
\u1098
Ruby
\u{1098}
Rust
\u{1098}
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