This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as vast, immense; flood, deluge. Its Pīnyīn pronunciation is hóng.
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+6D2A offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
Hong is the pinyin romanization of the Chinese surname 洪 (Hóng). It was listed 184th among the Song-era Hundred Family Surnames. Today it is not among the 100 most common surnames in mainland China but it was the 15th-most-common surname in Taiwan in 2005. As counted by a Chinese census, Taiwan is the area with the largest number of people with the name. It is also the pinyin romanization of a number of less-common names including Hóng (弘), Hóng (t 閎, s 闳), and Hóng (宏). All of those names are romanized as Hung in Wade-Giles.
"Hong" is also one spelling employed for the Cantonese pronunciation of the surname Xiong (熊).
The Hokkien and Teochew romanization of Hong (that uses the character 洪) is Ang, which is also used for Wang (汪, Wāng).
It is also the romanization used for the Korean surname Hong, which uses the character 洪 in hanja, the Khmer surname ហុង (Hong), as well as the surname Hồng in Vietnam, from the Sino-Vietnamese reading of Chinese character 洪.
Representations
System
Representation (click value to copy)
Nº
27946
UTF-8
E6 B4 AA
UTF-16
6D 2A
UTF-32
00 00 6D 2A
URL-Quoted
%E6%B4%AA
HTML hex reference
洪
Wrong windows-1252 Mojibake
æ´ª
Encoding: BIG5 (hex bytes)
AC 78
Encoding: BIG5HKSCS (hex bytes)
AC 78
Encoding: CP932 (hex bytes)
8D 5E
Encoding: CP949 (hex bytes)
FB F3
Encoding: CP950 (hex bytes)
AC 78
Encoding: EUC_JP (hex bytes)
B9 BF
Encoding: EUC_JIS_2004 (hex bytes)
B9 BF
Encoding: EUC_JISX0213 (hex bytes)
B9 BF
Encoding: EUC_KR (hex bytes)
FB F3
Encoding: GB2312 (hex bytes)
BA E9
Encoding: GBK (hex bytes)
BA E9
Encoding: GB18030 (hex bytes)
BA E9
Encoding: HZ (hex bytes)
7E 7B 3A 69 7E 7D
Encoding: ISO2022_JP (hex bytes)
1B 24 42 39 3F 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 39 3F 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 39 3F 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 39 3F 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 39 3F 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 39 3F 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 7B 73 0F
Encoding: JOHAB (hex bytes)
F8 F3
Encoding: SHIFT_JIS (hex bytes)
8D 5E
Encoding: SHIFT_JIS_2004 (hex bytes)
8D 5E
Encoding: SHIFT_JISX0213 (hex bytes)
8D 5E
Pīnyīn
hóng
RFC 5137
\u'6D2A'
Bash and Zsh inside echo -e
\u6D2A
C and C++
\u6D2A
C#
\u6D2A
CSS
\006D2A
Excel
=UNICHAR(27946)
Go
\u6D2A
JavaScript
\u6D2A
Modern JavaScript since ES6
\u{6d2a}
JSON
\u6D2A
Java
\u6D2A
Lua
\u{6D2A}
Matlab
char(27946)
Perl
"\x{6D2A}"
PHP
\u{6d2a}
PostgreSQL
U&'\6D2A'
PowerShell
`u{6D2A}
Python
\u6D2A
Ruby
\u{6d2a}
Rust
\u{6d2a}
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