This character is a Decimal Number and is mainly used in the Pahawh Hmong script. The codepoint has the decimal value 9.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. This number joins with other adjacent letters and numbers to form a word. U+16B59 forms a number with similar characters, which prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Pahawh Hmong (RPA: Phaj hauj Hmoob [pΚ°Γ’hΓ’umΜ₯ΙΜΜ], Pahawh: π¬π¬°π¬π¬΅ π¬π¬Άπ¬ π¬π¬£π¬΅[pΚ°Γ’hΓ’umΜ₯ΙΜΜ]; known also as Ntawv Pahawh, Ntawv Keeb, Ntawv Caub Fab, Ntawv Soob Lwj) is an indigenous semi-syllabic script, invented in 1959 by Shong Lue Yang, to write two Hmong languages, Hmong Daw (Hmoob Dawb White Miao) and Hmong Njua AKA Hmong Leng (Moob Leeg Green Miao).
Representations
System
Representation (click value to copy)
NΒΊ
93017
UTF-8
F0 96 AD 99
UTF-16
D8 1A DF 59
UTF-32
00 01 6B 59
URL-Quoted
%F0%96%AD%99
HTML hex reference
𖭙
Wrong windows-1252 Mojibake
Γ°βΒβ’
Encoding: GB18030 (hex bytes)
92 31 E7 31
RFC 5137
\u'16B59'
Bash and Zsh inside echo -e
\U00016B59
C and C++
\U00016B59
C#
\U00016B59
CSS
\016B59
Excel
=UNICHAR(93017)
Go
\U00016B59
JavaScript
\uD81A\uDF59
Modern JavaScript since ES6
\u{16b59}
JSON
\uD81A\uDF59
Java
\uD81A\uDF59
Lua
\u{16B59}
Matlab
char(93017)
Perl
"\x{16B59}"
PHP
\u{16b59}
PostgreSQL
U&'\+016B59'
PowerShell
`u{16B59}
Python
\U00016B59
Ruby
\u{16b59}
Rust
\u{16b59}
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