This character is a Decimal Number and is mainly used in the Arabic script. It is also used in the scripts Thaana, Yezidi. The codepoint has the decimal value 5.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written as Arabic number from right to left. When changing direction it is not mirrored. This number joins with other adjacent letters and numbers to form a word. U+0665 forms a number with similar characters, which prevents a line break inside it. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
5 (five) is a number, numeral and digit. It is the natural number, and cardinal number, following 4 and preceding 6, and is a prime number.
Humans, and many other animals, have 5 digits on their limbs.
Representations
System
Representation (click value to copy)
Nº
1637
UTF-8
D9 A5
UTF-16
06 65
UTF-32
00 00 06 65
URL-Quoted
%D9%A5
HTML hex reference
٥
Wrong windows-1252 Mojibake
Ù¥
Encoding: CP864 (hex bytes)
B5
Encoding: GB18030 (hex bytes)
81 31 8A 31
Encoding: CP420 (hex bytes)
EF
Adobe Glyph List
afii57397
Adobe Glyph List
fivearabic
Adobe Glyph List
fivehackarabic
RFC 5137
\u'0665'
Bash and Zsh inside echo -e
\u0665
C and C++
\u0665
C#
\u0665
CSS
\000665
Excel
=UNICHAR(1637)
Go
\u0665
JavaScript
\u0665
Modern JavaScript since ES6
\u{665}
JSON
\u0665
Java
\u0665
Lua
\u{665}
Matlab
char(1637)
Perl
"\x{665}"
PHP
\u{665}
PostgreSQL
U&'\0665'
PowerShell
`u{665}
Python
\u0665
Ruby
\u{665}
Rust
\u{665}
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