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 Glyph for U+004BLatin Capital Letter K, Glyph for U+0042Latin Capital Letter B. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+3385 offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
The kilobyte is a multiple of the unit byte for digital information.
The International System of Units (SI) defines the prefix kilo as a multiplication factor of 1000 (103); therefore, one kilobyte is 1000 bytes. The internationally recommended unit symbol for the kilobyte is kB.
In some areas of information technology, particularly in reference to random-access memory capacity, kilobyte instead typically refers to 1024 (210) bytes. This arises from the prevalence of sizes that are powers of two in modern digital memory architectures, coupled with the coincidence that 210 differs from 103 by less than 2.5%. A kibibyte is 1024 bytes.
Representations
System
Representation (click value to copy)
Nº
13189
UTF-8
E3 8E 85
UTF-16
33 85
UTF-32
00 00 33 85
URL-Quoted
%E3%8E%85
HTML hex reference
㎅
Wrong windows-1252 Mojibake
㎅
Encoding: GB18030 (hex bytes)
81 39 E3 37
Adobe Glyph List
KBsquare
RFC 5137
\u'3385'
Bash and Zsh inside echo -e
\u3385
C and C++
\u3385
C#
\u3385
CSS
\003385
Excel
=UNICHAR(13189)
Go
\u3385
JavaScript
\u3385
Modern JavaScript since ES6
\u{3385}
JSON
\u3385
Java
\u3385
Lua
\u{3385}
Matlab
char(13189)
Perl
"\x{3385}"
PHP
\u{3385}
PostgreSQL
U&'\3385'
PowerShell
`u{3385}
Python
\u3385
Ruby
\u{3385}
Rust
\u{3385}
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