This character is a Decimal Number and is mainly used in the Lepcha script. The codepoint has the decimal value 2.
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+1C42 forms a number with similar characters, which prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
The Lepcha script, or Róng script, is an abugida used by the Lepcha people to write the Lepcha language. Unusually for an abugida, syllable-final consonants are written as diacritics.
Representations
System
Representation (click value to copy)
Nº
7234
UTF-8
E1 B1 82
UTF-16
1C 42
UTF-32
00 00 1C 42
URL-Quoted
%E1%B1%82
HTML hex reference
᱂
Wrong windows-1252 Mojibake
᱂
Encoding: GB18030 (hex bytes)
81 35 C1 38
RFC 5137
\u'1C42'
Bash and Zsh inside echo -e
\u1C42
C and C++
\u1C42
C#
\u1C42
CSS
\001C42
Excel
=UNICHAR(7234)
Go
\u1C42
JavaScript
\u1C42
Modern JavaScript since ES6
\u{1c42}
JSON
\u1C42
Java
\u1C42
Lua
\u{1C42}
Matlab
char(7234)
Perl
"\x{1C42}"
PHP
\u{1c42}
PostgreSQL
U&'\1C42'
PowerShell
`u{1C42}
Python
\u1C42
Ruby
\u{1c42}
Rust
\u{1c42}
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