This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as mouth; open end; entrance, gate. Its Pīnyīn pronunciation is kǒu.
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+53E3 offers a line break opportunity at its position, except in some numeric contexts. The glyph can be confused with 4 other glyphs.
The Wikipedia has the following information about this codepoint:
Radical 30 or radical mouth (口部) meaning "mouth" is one of 31 of the 214 Kangxi radicals that are composed of 3 strokes.
In the Kangxi Dictionary, there are 1,146 characters (out of 40,000) to be found under this radical.
口 is also the 37th indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China.
Representations
System
Representation (click value to copy)
Nº
21475
UTF-8
E5 8F A3
UTF-16
53 E3
UTF-32
00 00 53 E3
URL-Quoted
%E5%8F%A3
HTML hex reference
口
Wrong windows-1252 Mojibake
å£
Encoding: BIG5 (hex bytes)
A4 66
Encoding: BIG5HKSCS (hex bytes)
A4 66
Encoding: CP932 (hex bytes)
8C FB
Encoding: CP949 (hex bytes)
CF A2
Encoding: CP950 (hex bytes)
A4 66
Encoding: EUC_JP (hex bytes)
B8 FD
Encoding: EUC_JIS_2004 (hex bytes)
B8 FD
Encoding: EUC_JISX0213 (hex bytes)
B8 FD
Encoding: EUC_KR (hex bytes)
CF A2
Encoding: GB2312 (hex bytes)
BF DA
Encoding: GBK (hex bytes)
BF DA
Encoding: GB18030 (hex bytes)
BF DA
Encoding: HZ (hex bytes)
7E 7B 3F 5A 7E 7D
Encoding: ISO2022_JP (hex bytes)
1B 24 42 38 7D 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 38 7D 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 38 7D 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 38 7D 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 38 7D 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 38 7D 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 4F 22 0F
Encoding: JOHAB (hex bytes)
E2 A2
Encoding: SHIFT_JIS (hex bytes)
8C FB
Encoding: SHIFT_JIS_2004 (hex bytes)
8C FB
Encoding: SHIFT_JISX0213 (hex bytes)
8C FB
Pīnyīn
kǒu
RFC 5137
\u'53E3'
Bash and Zsh inside echo -e
\u53E3
C and C++
\u53E3
C#
\u53E3
CSS
\0053E3
Excel
=UNICHAR(21475)
Go
\u53E3
JavaScript
\u53E3
Modern JavaScript since ES6
\u{53e3}
JSON
\u53E3
Java
\u53E3
Lua
\u{53E3}
Matlab
char(21475)
Perl
"\x{53E3}"
PHP
\u{53e3}
PostgreSQL
U&'\53E3'
PowerShell
`u{53E3}
Python
\u53E3
Ruby
\u{53e3}
Rust
\u{53e3}
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