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+3059 offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
す, in hiragana or ス in katakana, is one of the Japanese kana, each of which represents one mora. Their shapes come from the kanji 寸 and 須, respectively. Both kana represent the sound [sɯ]. In the Ainu language, the katakana ス can be written as small ㇲ to represent a final s and is used to emphasize the pronunciation of [s] rather than the normal [ɕ] (represented in Ainu as ㇱ).
* スィ and ズィ are also used to present si and zi pronunciations respectively. For example, 'C' is presented as スィー /siː/. See also Hepburn romanization.
Representations
System
Representation (click value to copy)
Nº
12377
UTF-8
E3 81 99
UTF-16
30 59
UTF-32
00 00 30 59
URL-Quoted
%E3%81%99
HTML hex reference
す
Wrong windows-1252 Mojibake
ã™
Encoding: BIG5 (hex bytes)
C6 BD
Encoding: BIG5HKSCS (hex bytes)
C7 40
Encoding: CP932 (hex bytes)
82 B7
Encoding: CP949 (hex bytes)
AA B9
Encoding: CP950 (hex bytes)
C6 BD
Encoding: EUC_JP (hex bytes)
A4 B9
Encoding: EUC_JIS_2004 (hex bytes)
A4 B9
Encoding: EUC_JISX0213 (hex bytes)
A4 B9
Encoding: EUC_KR (hex bytes)
AA B9
Encoding: GB2312 (hex bytes)
A4 B9
Encoding: GBK (hex bytes)
A4 B9
Encoding: GB18030 (hex bytes)
A4 B9
Encoding: HZ (hex bytes)
7E 7B 24 39 7E 7D
Encoding: ISO2022_JP (hex bytes)
1B 24 42 24 39 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 24 39 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 24 39 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 24 39 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 24 39 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 24 39 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 2A 39 0F
Encoding: JOHAB (hex bytes)
DD B9
Encoding: SHIFT_JIS (hex bytes)
82 B7
Encoding: SHIFT_JIS_2004 (hex bytes)
82 B7
Encoding: SHIFT_JISX0213 (hex bytes)
82 B7
Adobe Glyph List
suhiragana
digraph
su
RFC 5137
\u'3059'
Bash and Zsh inside echo -e
\u3059
C and C++
\u3059
C#
\u3059
CSS
\003059
Excel
=UNICHAR(12377)
Go
\u3059
JavaScript
\u3059
Modern JavaScript since ES6
\u{3059}
JSON
\u3059
Java
\u3059
Lua
\u{3059}
Matlab
char(12377)
Perl
"\x{3059}"
PHP
\u{3059}
PostgreSQL
U&'\3059'
PowerShell
`u{3059}
Python
\u3059
Ruby
\u{3059}
Rust
\u{3059}
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