A binary number is a sequence of digits in base 2.
The binary number system, also known as the base-2 numeral system, is used to represent digital information using only two symbols, 0 and 1.
Hexadecimal numbers are base 16. They consist of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 as well as letters A-F. Hexadecimal number is widely used in computer programming for specifying digital color values.
Hexadecimal number is used to specify color values in computer graphics programs. It's a way for programmers to identify colors before they are displayed on a screen or printed out by a printer.
The hexadecimal system was proposed by John W Nystrom in 1859 that uses base 16 as opposed to the decimal system which uses base 10.
Octal number is a type of number system that uses the base 8 instead of 10.
Octal numbers are used in some computer programming languages, such as COBOL, Fortran, BASIC, and Pascal.
Decimal number system is a number system based on ten key numbers (0-9). It is the standard number system in most countries, including the United States, Canada, and Japan.