This character is a Other Letter and is mainly used in the Hiragana script.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+306C offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
Nu, ぬ in hiragana, or ヌ in katakana, is one of the Japanese kana each representing one mora. Both hiragana and katakana are made in two strokes and represent [nɯ]. They are both derived from the Chinese character 奴. In the Ainu language, katakana ヌ can be written as small ㇴ to represent a final n, and is interchangeable with the standard katakana ン.
Representations
System
Representation (click value to copy)
Nº
12396
UTF-8
E3 81 AC
UTF-16
30 6C
UTF-32
00 00 30 6C
URL-Quoted
%E3%81%AC
HTML hex reference
ぬ
Wrong windows-1252 Mojibake
ã¬
Encoding: BIG5 (hex bytes)
C6 D0
Encoding: BIG5HKSCS (hex bytes)
C7 53
Encoding: CP932 (hex bytes)
82 CA
Encoding: CP949 (hex bytes)
AA CC
Encoding: CP950 (hex bytes)
C6 D0
Encoding: EUC_JP (hex bytes)
A4 CC
Encoding: EUC_JIS_2004 (hex bytes)
A4 CC
Encoding: EUC_JISX0213 (hex bytes)
A4 CC
Encoding: EUC_KR (hex bytes)
AA CC
Encoding: GB2312 (hex bytes)
A4 CC
Encoding: GBK (hex bytes)
A4 CC
Encoding: GB18030 (hex bytes)
A4 CC
Encoding: HZ (hex bytes)
7E 7B 24 4C 7E 7D
Encoding: ISO2022_JP (hex bytes)
1B 24 42 24 4C 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 24 4C 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 24 4C 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 24 4C 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 24 4C 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 24 4C 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 2A 4C 0F
Encoding: JOHAB (hex bytes)
DD CC
Encoding: SHIFT_JIS (hex bytes)
82 CA
Encoding: SHIFT_JIS_2004 (hex bytes)
82 CA
Encoding: SHIFT_JISX0213 (hex bytes)
82 CA
Adobe Glyph List
nuhiragana
digraph
nu
RFC 5137
\u'306C'
Bash and Zsh inside echo -e
\u306C
C and C++
\u306C
C#
\u306C
CSS
\00306C
Excel
=UNICHAR(12396)
Go
\u306C
JavaScript
\u306C
Modern JavaScript since ES6
\u{306c}
JSON
\u306C
Java
\u306C
Lua
\u{306C}
Matlab
char(12396)
Perl
"\x{306C}"
PHP
\u{306c}
PostgreSQL
U&'\306C'
PowerShell
`u{306C}
Python
\u306C
Ruby
\u{306c}
Rust
\u{306c}
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