This character is a Modifier Letter and is mainly used in the Nüshu 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+16FE1 prohibits line breaks before its position. There might be some exceptions, though.
Representations
System
Representation (click value to copy)
Nº
94177
UTF-8
F0 96 BF A1
UTF-16
D8 1B DF E1
UTF-32
00 01 6F E1
URL-Quoted
%F0%96%BF%A1
HTML hex reference
𖿡
Wrong windows-1252 Mojibake
◌𖿡
Encoding: GB18030 (hex bytes)
92 32 DD 31
RFC 5137
\u'16FE1'
Bash and Zsh inside echo -e
\U00016FE1
C and C++
\U00016FE1
C#
\U00016FE1
CSS
\016FE1
Excel
=UNICHAR(94177)
Go
\U00016FE1
JavaScript
\uD81B\uDFE1
Modern JavaScript since ES6
\u{16fe1}
JSON
\uD81B\uDFE1
Java
\uD81B\uDFE1
Lua
\u{16FE1}
Matlab
char(94177)
Perl
"\x{16FE1}"
PHP
\u{16fe1}
PostgreSQL
U&'\+016FE1'
PowerShell
`u{16FE1}
Python
\U00016FE1
Ruby
\u{16fe1}
Rust
\u{16fe1}
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