Question

what is the common property of decimal, octal ,binary and hexadecimal number system?
Chapter - Data Representation

Answer 1

Common property is they all can be converted to binary using diff techniques and methods

Answer 2

The common property of the decimal, octal, binary and hexadecimal number system is that all of these can be converted to binary numbers.

All these numbers(hexadecimal, octal) are composed of numbers of binaries too.

Thus, they can be easily represented by a binary number system. Octals are base 8 numbers.