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 Precedes Or Equal To. The word that U+227D forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
In mathematical notation, ordered set operators indicate whether an object precedes or succeeds another. These relationship operators are denoted by the unicode symbols U+227A-F, along with symbols located unicode blocks U+228x through U+22Ex.
Representations
System
Representation (click value to copy)
Nº
8829
UTF-8
E2 89 BD
UTF-16
22 7D
UTF-32
00 00 22 7D
URL-Quoted
%E2%89%BD
HTML hex reference
≽
Wrong windows-1252 Mojibake
≽
HTML named entity
≽
HTML named entity
≽
HTML named entity
≽
Encoding: GB18030 (hex bytes)
81 36 DA 38
LATEX
\succcurlyeq
RFC 5137
\u'227D'
Bash and Zsh inside echo -e
\u227D
C and C++
\u227D
C#
\u227D
CSS
\00227D
Excel
=UNICHAR(8829)
Go
\u227D
JavaScript
\u227D
Modern JavaScript since ES6
\u{227d}
JSON
\u227D
Java
\u227D
Lua
\u{227D}
Matlab
char(8829)
Perl
"\x{227D}"
PHP
\u{227d}
PostgreSQL
U&'\227D'
PowerShell
`u{227D}
Python
\u227D
Ruby
\u{227d}
Rust
\u{227d}
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