This character is a Other Letter and is mainly used in the Kaithi script.
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. The word that U+11089 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Kaithi (๐๐ถ๐๐ฒ), also called Kayathi (๐๐จ๐๐ฒ) or Kayasthi (๐๐ฐ๐จ๐ฎ๐น๐๐ฒ), is a historical Brahmic script that was used widely in parts of Northern and Eastern India, primarily in the present-day states of Uttar Pradesh, Jharkhand and Bihar. In particular, it was used for writing legal, administrative and private records. It was used for a variety of Indo-Aryan languages, including Angika, Awadhi, Bhojpuri, Hindustani, Maithili, Magahi, and Nagpuri.
Representations
System
Representation (click value to copy)
Nยบ
69769
UTF-8
F0 91 82 89
UTF-16
D8 04 DC 89
UTF-32
00 01 10 89
URL-Quoted
%F0%91%82%89
HTML hex reference
𑂉
Wrong windows-1252 Mojibake
รฐโโโฐ
Encoding: GB18030 (hex bytes)
90 33 AE 33
RFC 5137
\u'11089'
Bash and Zsh inside echo -e
\U00011089
C and C++
\U00011089
C#
\U00011089
CSS
\011089
Excel
=UNICHAR(69769)
Go
\U00011089
JavaScript
\uD804\uDC89
Modern JavaScript since ES6
\u{11089}
JSON
\uD804\uDC89
Java
\uD804\uDC89
Lua
\u{11089}
Matlab
char(69769)
Perl
"\x{11089}"
PHP
\u{11089}
PostgreSQL
U&'\+011089'
PowerShell
`u{11089}
Python
\U00011089
Ruby
\u{11089}
Rust
\u{11089}
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