This character is a Math Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is mirrored into Double Superset. The word that U+22D0 forms with similar adjacent characters prevents a line break inside it.
Representations
System
Representation (click value to copy)
Nº
8912
UTF-8
E2 8B 90
UTF-16
22 D0
UTF-32
00 00 22 D0
URL-Quoted
%E2%8B%90
HTML hex reference
⋐
Wrong windows-1252 Mojibake
â‹
HTML named entity
⋐
HTML named entity
⋐
Encoding: GB18030 (hex bytes)
81 36 E2 37
LATEX
\Subset
RFC 5137
\u'22D0'
Bash and Zsh inside echo -e
\u22D0
C and C++
\u22D0
C#
\u22D0
CSS
\0022D0
Excel
=UNICHAR(8912)
Go
\u22D0
JavaScript
\u22D0
Modern JavaScript since ES6
\u{22d0}
JSON
\u22D0
Java
\u22D0
Lua
\u{22D0}
Matlab
char(8912)
Perl
"\x{22D0}"
PHP
\u{22d0}
PostgreSQL
U&'\22D0'
PowerShell
`u{22D0}
Python
\u22D0
Ruby
\u{22d0}
Rust
\u{22d0}
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