This character is a Decimal Number and is mainly used in the Malayalam 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+0D6E forms a number with similar characters, which prevents a line break inside it. The glyph can be confused with one other glyph.
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
3438
UTF-8
E0 B5 AE
UTF-16
0D 6E
UTF-32
00 00 0D 6E
URL-Quoted
%E0%B5%AE
HTML hex reference
൮
Wrong windows-1252 Mojibake
൮
Encoding: GB18030 (hex bytes)
81 32 C0 32
RFC 5137
\u'0D6E'
Bash and Zsh inside echo -e
\u0D6E
C and C++
\u0D6E
C#
\u0D6E
CSS
\000D6E
Excel
=UNICHAR(3438)
Go
\u0D6E
JavaScript
\u0D6E
Modern JavaScript since ES6
\u{d6e}
JSON
\u0D6E
Java
\u0D6E
Lua
\u{D6E}
Matlab
char(3438)
Perl
"\x{D6E}"
PHP
\u{d6e}
PostgreSQL
U&'\0D6E'
PowerShell
`u{D6E}
Python
\u0D6E
Ruby
\u{d6e}
Rust
\u{d6e}
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