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+16CA forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Sowilo (*sōwilō), meaning "sun", is the reconstructed Proto-Germanic language name of the s-rune (ᛊ, ᛋ).
The letter is a direct adoption of Old Italic (Etruscan or Latin) s (𐌔), ultimately from Greek sigma (Σ). It is present in the earliest inscriptions of the 2nd to 3rd century (Vimose, Kovel).
The name is attested for the same rune in all three Rune Poems. It appears as Old Norse and Old Icelandic Sól and as Old English Sigel.
Representations
System
Representation (click value to copy)
Nº
5834
UTF-8
E1 9B 8A
UTF-16
16 CA
UTF-32
00 00 16 CA
URL-Quoted
%E1%9B%8A
HTML hex reference
ᛊ
Wrong windows-1252 Mojibake
ᛊ
Encoding: GB18030 (hex bytes)
81 34 B3 38
RFC 5137
\u'16CA'
Bash and Zsh inside echo -e
\u16CA
C and C++
\u16CA
C#
\u16CA
CSS
\0016CA
Excel
=UNICHAR(5834)
Go
\u16CA
JavaScript
\u16CA
Modern JavaScript since ES6
\u{16ca}
JSON
\u16CA
Java
\u16CA
Lua
\u{16CA}
Matlab
char(5834)
Perl
"\x{16CA}"
PHP
\u{16ca}
PostgreSQL
U&'\16CA'
PowerShell
`u{16CA}
Python
\u16CA
Ruby
\u{16ca}
Rust
\u{16ca}
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