This character is a Other Symbol and is mainly used in the Katakana script.
The glyph is a circle version of the glyph Katakana Letter Ko. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. This katakana joins with other adjacent katakana to form a word. U+32D9 offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
こ, in hiragana or コ in katakana, is one of the Japanese kana, each of which represents one mora. Both represent IPA:[ko]. The shape of these kana comes from the kanji 己.
This character may be supplemented by a dakuten; it becomes ご in hiragana, ゴ in katakana and go in Hepburn romanization. Also, the pronunciation is affected, transforming into [ɡo] in initial positions and varying between [ŋo] and [ɣo] in the middle of words.
A handakuten (゜) does not occur with ko in normal Japanese text, but it may be used by linguists to indicate a nasal pronunciation [ŋo].
Representations
System
Representation (click value to copy)
Nº
13017
UTF-8
E3 8B 99
UTF-16
32 D9
UTF-32
00 00 32 D9
URL-Quoted
%E3%8B%99
HTML hex reference
㋙
Wrong windows-1252 Mojibake
ã‹™
Encoding: EUC_JIS_2004 (hex bytes)
AC E4
Encoding: EUC_JISX0213 (hex bytes)
AC E4
Encoding: GB18030 (hex bytes)
81 39 D2 35
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 28 51 2C 64 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 28 4F 2C 64 1B 28 42
Encoding: SHIFT_JIS_2004 (hex bytes)
86 E2
Encoding: SHIFT_JISX0213 (hex bytes)
86 E2
RFC 5137
\u'32D9'
Bash and Zsh inside echo -e
\u32D9
C and C++
\u32D9
C#
\u32D9
CSS
\0032D9
Excel
=UNICHAR(13017)
Go
\u32D9
JavaScript
\u32D9
Modern JavaScript since ES6
\u{32d9}
JSON
\u32D9
Java
\u32D9
Lua
\u{32D9}
Matlab
char(13017)
Perl
"\x{32D9}"
PHP
\u{32d9}
PostgreSQL
U&'\32D9'
PowerShell
`u{32D9}
Python
\u32D9
Ruby
\u{32d9}
Rust
\u{32d9}
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