This character is a Other Letter and is mainly used in the Hangul script.
The glyph is a compatibility version of the glyph Hangul Choseong Ieung. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+3147 offers a line break opportunity at its position, except in some numeric contexts. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
Ieung (sign: ㅇ; Korean: 이응) is a consonant letter of the Korean alphabet, Hangul. It is silent when used at the beginning of a syllable (it is a consonant placeholder in vowel letters). However, ㅇ might take on the glottal stop [ʔ] sound on some occasions. It takes on the [ŋ] sound when it is the ending consonant in a syllable.
Representations
System
Representation (click value to copy)
Nº
12615
UTF-8
E3 85 87
UTF-16
31 47
UTF-32
00 00 31 47
URL-Quoted
%E3%85%87
HTML hex reference
ㅇ
Wrong windows-1252 Mojibake
ã…‡
Encoding: CP949 (hex bytes)
A4 B7
Encoding: EUC_KR (hex bytes)
A4 B7
Encoding: GB18030 (hex bytes)
81 39 AB 35
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 28 43 24 37 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 24 37 0F
Encoding: JOHAB (hex bytes)
B4 41
Adobe Glyph List
ieungkorean
RFC 5137
\u'3147'
Bash and Zsh inside echo -e
\u3147
C and C++
\u3147
C#
\u3147
CSS
\003147
Excel
=UNICHAR(12615)
Go
\u3147
JavaScript
\u3147
Modern JavaScript since ES6
\u{3147}
JSON
\u3147
Java
\u3147
Lua
\u{3147}
Matlab
char(12615)
Perl
"\x{3147}"
PHP
\u{3147}
PostgreSQL
U&'\3147'
PowerShell
`u{3147}
Python
\u3147
Ruby
\u{3147}
Rust
\u{3147}
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