This character is a Other Symbol and is commonly used, that is, in no specific script.
The glyph is a square composition of the glyphs Latin Small Letter D, Latin Small Letter A. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+3372 offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
Deca- (and dec-), sometimes deka-, is a common English-language numeral prefix derived from the Late Latin decas ("(set of) ten"), from Ancient Greek δέκας (dékas), from δέκα (déka, "ten"). It is used in many words.
It is also a decimal unit prefix in the International System of Units (SI) denoting a factor of ten, with symbol da and spelled "deca" internationally (or "deka" in American spelling).
Representations
System
Representation (click value to copy)
Nº
13170
UTF-8
E3 8D B2
UTF-16
33 72
UTF-32
00 00 33 72
URL-Quoted
%E3%8D%B2
HTML hex reference
㍲
Wrong windows-1252 Mojibake
ã²
Encoding: GB18030 (hex bytes)
81 39 E1 38
RFC 5137
\u'3372'
Bash and Zsh inside echo -e
\u3372
C and C++
\u3372
C#
\u3372
CSS
\003372
Excel
=UNICHAR(13170)
Go
\u3372
JavaScript
\u3372
Modern JavaScript since ES6
\u{3372}
JSON
\u3372
Java
\u3372
Lua
\u{3372}
Matlab
char(13170)
Perl
"\x{3372}"
PHP
\u{3372}
PostgreSQL
U&'\3372'
PowerShell
`u{3372}
Python
\u3372
Ruby
\u{3372}
Rust
\u{3372}
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