A Binary Number is made up of only 0s and 1s. A method of representing numbers that has 2 as its base and uses only the digits 0 and 1. Each successive digit represents a power of 2. For example, 10011 represents (1 × 24) + (0 × 23) + (0 × 22) + (1 × 21) + (1 × 20), or 16 + 0 + 0 + 2 + 1, or 19.

Quinary Number System is a numeral system with 5 as the base.A possible origination of a quinary system is that there are five fingers on either hand. The base five is started from 0-4. In the quinary place system, five numerals, from 0 to 4, are used to represent any real number. According to this method, five is written as 10, twenty five is written as 100 and sixty is written as 220.

A number system is a way to represent numbers. we are used to using the base to number system, which is called Decimal. Other common number systems include base-16 (hexadecimal), base -8(octal), and base 2(binary) In number system, we began by introducing the binary system and discussing the importance of binary numbers to computers. This article is about different methods of expressing numbers.