This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as four. Its Pīnyīn pronunciation is sì. The codepoint has the numeric value 4.
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+56DB 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:
Chinese numerals are words and characters used to denote numbers in written Chinese.
Today, speakers of Chinese languages use three written numeral systems: the system of Arabic numerals used worldwide, and two indigenous systems. The more familiar indigenous system is based on Chinese characters that correspond to numerals in the spoken language. These may be shared with other languages of the Chinese cultural sphere such as Korean, Japanese, and Vietnamese. Most people and institutions in China primarily use the Arabic or mixed Arabic-Chinese systems for convenience, with traditional Chinese numerals used in finance, mainly for writing amounts on cheques, banknotes, some ceremonial occasions, some boxes, and on commercials.
The other indigenous system consists of the Suzhou numerals, or huama, a positional system, the only surviving form of the rod numerals. These were once used by Chinese mathematicians, and later by merchants in Chinese markets, such as those in Hong Kong until the 1990s, but were gradually supplanted by Arabic numerals.
Representations
System
Representation (click value to copy)
Nº
22235
UTF-8
E5 9B 9B
UTF-16
56 DB
UTF-32
00 00 56 DB
URL-Quoted
%E5%9B%9B
HTML hex reference
四
Wrong windows-1252 Mojibake
å››
Encoding: BIG5 (hex bytes)
A5 7C
Encoding: BIG5HKSCS (hex bytes)
A5 7C
Encoding: CP932 (hex bytes)
8E 6C
Encoding: CP949 (hex bytes)
DE CC
Encoding: CP950 (hex bytes)
A5 7C
Encoding: EUC_JP (hex bytes)
BB CD
Encoding: EUC_JIS_2004 (hex bytes)
BB CD
Encoding: EUC_JISX0213 (hex bytes)
BB CD
Encoding: EUC_KR (hex bytes)
DE CC
Encoding: GB2312 (hex bytes)
CB C4
Encoding: GBK (hex bytes)
CB C4
Encoding: GB18030 (hex bytes)
CB C4
Encoding: HZ (hex bytes)
7E 7B 4B 44 7E 7D
Encoding: ISO2022_JP (hex bytes)
1B 24 42 3B 4D 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 3B 4D 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 3B 4D 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 3B 4D 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 3B 4D 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 3B 4D 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 5E 4C 0F
Encoding: JOHAB (hex bytes)
EA 5C
Encoding: SHIFT_JIS (hex bytes)
8E 6C
Encoding: SHIFT_JIS_2004 (hex bytes)
8E 6C
Encoding: SHIFT_JISX0213 (hex bytes)
8E 6C
Pīnyīn
sì
RFC 5137
\u'56DB'
Bash and Zsh inside echo -e
\u56DB
C and C++
\u56DB
C#
\u56DB
CSS
\0056DB
Excel
=UNICHAR(22235)
Go
\u56DB
JavaScript
\u56DB
Modern JavaScript since ES6
\u{56db}
JSON
\u56DB
Java
\u56DB
Lua
\u{56DB}
Matlab
char(22235)
Perl
"\x{56DB}"
PHP
\u{56db}
PostgreSQL
U&'\56DB'
PowerShell
`u{56DB}
Python
\u56DB
Ruby
\u{56db}
Rust
\u{56db}
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