This character is a Modifier Letter 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. The word that U+02B9 forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
The modifier letter prime (ʹ) is a spacing glyph. It is used in the romanization of Cyrillic for palatalized consonants (particularly for the letter ь) and in the orthography of the Skolt Sami for suprasegmental palatalization. It is encoded at U+02B9ʹMODIFIER LETTER PRIME.
Representations
System
Representation (click value to copy)
Nº
697
UTF-8
CA B9
UTF-16
02 B9
UTF-32
00 00 02 B9
URL-Quoted
%CA%B9
HTML hex reference
ʹ
Wrong windows-1252 Mojibake
◌ʹ
Encoding: GB18030 (hex bytes)
81 30 B6 30
AGL: Latin-5
uni02B9
Adobe Glyph List
primemod
RFC 5137
\u'02B9'
Bash and Zsh inside echo -e
\u02B9
C and C++
\u02B9
C#
\u02B9
CSS
\0002B9
Excel
=UNICHAR(697)
Go
\u02B9
JavaScript
\u02B9
Modern JavaScript since ES6
\u{2b9}
JSON
\u02B9
Java
\u02B9
Lua
\u{2B9}
Matlab
char(697)
Perl
"\x{2B9}"
PHP
\u{2b9}
PostgreSQL
U&'\02B9'
PowerShell
`u{2B9}
Python
\u02B9
Ruby
\u{2b9}
Rust
\u{2b9}
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