This character is a Other 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 not mirrored. U+1F592 offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
A thumb signal, usually described as a thumbs-up or thumbs-down, is a common hand gesture achieved by a closed fist held with the thumb extended upward or downward, respectively. The thumbs-up gesture is associated with positivity, approval, achievement, satisfaction and solidarity, while the thumbs-down gesture is associated with concern, disapproval, dissatisfaction, rejection and failure.
Representations
System
Representation (click value to copy)
NΒΊ
128402
UTF-8
F0 9F 96 92
UTF-16
D8 3D DD 92
UTF-32
00 01 F5 92
URL-Quoted
%F0%9F%96%92
HTML hex reference
🖒
Wrong windows-1252 Mojibake
Γ°ΕΈββ
Encoding: GB18030 (hex bytes)
94 39 F1 36
RFC 5137
\u'1F592'
Bash and Zsh inside echo -e
\U0001F592
C and C++
\U0001F592
C#
\U0001F592
CSS
\01F592
Excel
=UNICHAR(128402)
Go
\U0001F592
JavaScript
\uD83D\uDD92
Modern JavaScript since ES6
\u{1f592}
JSON
\uD83D\uDD92
Java
\uD83D\uDD92
Lua
\u{1F592}
Matlab
char(128402)
Perl
"\x{1F592}"
PHP
\u{1f592}
PostgreSQL
U&'\+01F592'
PowerShell
`u{1F592}
Python
\U0001F592
Ruby
\u{1f592}
Rust
\u{1f592}
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