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+1F5CA offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
A notebook (also known as a notepad, writing pad, drawing pad, or legal pad) is a book or stack of paper pages that are often ruled and used for purposes such as note-taking, journaling or other writing, drawing, or scrapbooking and more.
Representations
System
Representation (click value to copy)
NΒΊ
128458
UTF-8
F0 9F 97 8A
UTF-16
D8 3D DD CA
UTF-32
00 01 F5 CA
URL-Quoted
%F0%9F%97%8A
HTML hex reference
🗊
Wrong windows-1252 Mojibake
Γ°ΕΈβΕ
Encoding: GB18030 (hex bytes)
94 39 F7 32
RFC 5137
\u'1F5CA'
Bash and Zsh inside echo -e
\U0001F5CA
C and C++
\U0001F5CA
C#
\U0001F5CA
CSS
\01F5CA
Excel
=UNICHAR(128458)
Go
\U0001F5CA
JavaScript
\uD83D\uDDCA
Modern JavaScript since ES6
\u{1f5ca}
JSON
\uD83D\uDDCA
Java
\uD83D\uDDCA
Lua
\u{1F5CA}
Matlab
char(128458)
Perl
"\x{1F5CA}"
PHP
\u{1f5ca}
PostgreSQL
U&'\+01F5CA'
PowerShell
`u{1F5CA}
Python
\U0001F5CA
Ruby
\u{1f5ca}
Rust
\u{1f5ca}
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.)