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 3.
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+0663 forms a number with similar characters, which prevents a line break inside it. The glyph can be confused with 2 other glyphs.
The Wikipedia has the following information about this codepoint:
3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number. It has religious and cultural significance in many societies.
Representations
System
Representation (click value to copy)
Nº
1635
UTF-8
D9 A3
UTF-16
06 63
UTF-32
00 00 06 63
URL-Quoted
%D9%A3
HTML hex reference
٣
Wrong windows-1252 Mojibake
Ù£
Encoding: CP864 (hex bytes)
B3
Encoding: GB18030 (hex bytes)
81 31 89 39
Encoding: CP420 (hex bytes)
ED
Adobe Glyph List
afii57395
Adobe Glyph List
threearabic
Adobe Glyph List
threehackarabic
RFC 5137
\u'0663'
Bash and Zsh inside echo -e
\u0663
C and C++
\u0663
C#
\u0663
CSS
\000663
Excel
=UNICHAR(1635)
Go
\u0663
JavaScript
\u0663
Modern JavaScript since ES6
\u{663}
JSON
\u0663
Java
\u0663
Lua
\u{663}
Matlab
char(1635)
Perl
"\x{663}"
PHP
\u{663}
PostgreSQL
U&'\0663'
PowerShell
`u{663}
Python
\u0663
Ruby
\u{663}
Rust
\u{663}
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