This character is a Decimal Number and is mainly used in the Tamil script. It is also used in the script Grantha. The codepoint has the decimal value 9.
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+0BEF forms a number with similar characters, which prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
9 (nine) is the natural number following 8 and preceding 10.
Representations
System
Representation (click value to copy)
Nº
3055
UTF-8
E0 AF AF
UTF-16
0B EF
UTF-32
00 00 0B EF
URL-Quoted
%E0%AF%AF
HTML hex reference
௯
Wrong windows-1252 Mojibake
௯
Encoding: GB18030 (hex bytes)
81 32 99 39
RFC 5137
\u'0BEF'
Bash and Zsh inside echo -e
\u0BEF
C and C++
\u0BEF
C#
\u0BEF
CSS
\000BEF
Excel
=UNICHAR(3055)
Go
\u0BEF
JavaScript
\u0BEF
Modern JavaScript since ES6
\u{bef}
JSON
\u0BEF
Java
\u0BEF
Lua
\u{BEF}
Matlab
char(3055)
Perl
"\x{BEF}"
PHP
\u{bef}
PostgreSQL
U&'\0BEF'
PowerShell
`u{BEF}
Python
\u0BEF
Ruby
\u{bef}
Rust
\u{bef}
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