This character is a Decimal Number and is mainly used in the Kayah Li script. 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+A909 forms a number with similar characters, which prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
The Kayah Li alphabet (Kayah Li: ꤊꤢꤛꤢ꤭ ꤜꤟꤤ꤬) is used to write the Kayah languages Eastern Kayah Li and Western Kayah Li, which are members of Karenic branch of the Sino-Tibetan language family. They are also known as Red Karen and Karenni. Eastern Kayah Li is spoken by about 26,000 people, and Western Kayah Li by about 100,000 people, mostly in the Kayah and Karen states of Myanmar, but also by people living in Thailand.
Representations
System
Representation (click value to copy)
Nº
43273
UTF-8
EA A4 89
UTF-16
A9 09
UTF-32
00 00 A9 09
URL-Quoted
%EA%A4%89
HTML hex reference
꤉
Wrong windows-1252 Mojibake
꤉
Encoding: GB18030 (hex bytes)
82 37 83 36
RFC 5137
\u'A909'
Bash and Zsh inside echo -e
\uA909
C and C++
\uA909
C#
\uA909
CSS
\00A909
Excel
=UNICHAR(43273)
Go
\uA909
JavaScript
\uA909
Modern JavaScript since ES6
\u{a909}
JSON
\uA909
Java
\uA909
Lua
\u{A909}
Matlab
char(43273)
Perl
"\x{A909}"
PHP
\u{a909}
PostgreSQL
U&'\A909'
PowerShell
`u{A909}
Python
\uA909
Ruby
\u{a909}
Rust
\u{a909}
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.)