This character is a Other Letter and is mainly used in the Runic script.
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. The word that U+16F1 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Runic alphabets have seen numerous uses since the 18th-century Viking revival, in Scandinavian Romantic nationalism (Gothicismus) and Germanic occultism in the 19th century, and in the context of the Fantasy genre and of Germanic Neopaganism in the 20th century.
Representations
System
Representation (click value to copy)
Nº
5873
UTF-8
E1 9B B1
UTF-16
16 F1
UTF-32
00 00 16 F1
URL-Quoted
%E1%9B%B1
HTML hex reference
ᛱ
Wrong windows-1252 Mojibake
á›±
Encoding: GB18030 (hex bytes)
81 34 B7 37
RFC 5137
\u'16F1'
Bash and Zsh inside echo -e
\u16F1
C and C++
\u16F1
C#
\u16F1
CSS
\0016F1
Excel
=UNICHAR(5873)
Go
\u16F1
JavaScript
\u16F1
Modern JavaScript since ES6
\u{16f1}
JSON
\u16F1
Java
\u16F1
Lua
\u{16F1}
Matlab
char(5873)
Perl
"\x{16F1}"
PHP
\u{16f1}
PostgreSQL
U&'\16F1'
PowerShell
`u{16F1}
Python
\u16F1
Ruby
\u{16f1}
Rust
\u{16f1}
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