This character is a Decimal Number and is mainly used in the Lao script. The codepoint has the decimal value 4.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. This number joins with other adjacent letters and numbers to form a word. U+0ED4 forms a number with similar characters, which prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is a square number, the smallest semiprime and composite number, and is considered unlucky in many East Asian cultures.
Representations
System
Representation (click value to copy)
Nº
3796
UTF-8
E0 BB 94
UTF-16
0E D4
UTF-32
00 00 0E D4
URL-Quoted
%E0%BB%94
HTML hex reference
໔
Wrong windows-1252 Mojibake
à»”
Encoding: GB18030 (hex bytes)
81 32 E4 30
RFC 5137
\u'0ED4'
Bash and Zsh inside echo -e
\u0ED4
C and C++
\u0ED4
C#
\u0ED4
CSS
\000ED4
Excel
=UNICHAR(3796)
Go
\u0ED4
JavaScript
\u0ED4
Modern JavaScript since ES6
\u{ed4}
JSON
\u0ED4
Java
\u0ED4
Lua
\u{ED4}
Matlab
char(3796)
Perl
"\x{ED4}"
PHP
\u{ed4}
PostgreSQL
U&'\0ED4'
PowerShell
`u{ED4}
Python
\u0ED4
Ruby
\u{ed4}
Rust
\u{ed4}
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