Decimal, Binary, Octal, Hexadecimal Number Systems

Number System

A number system of base r is a system that uses distinct symbols for r digits.

There are four types of number system-

1. Decimal number system
2. Binary number system
3. Octal number system
4. Hexadecimal number system

Decimal Number System:

Decimal number system has base 10. This number system contains 10 digits. These are 0,1,2,3,4,5,6,7,8,9. So this number system has base 10.

For e.g. (456)₁₀

Binary Number System:

In Binary number system number can be represented using 2 digits

(0 and 1) only .so it has base 2.

For e.g. (101101)₂

Octal Number System:

In Octal number system number can be represented using 8 digits These are 0,1,2,3,4,5,6,7.so it has base 8 .

For e.g. (3457)₈

Hexadecimal Number System:

In Hexadecimal  number system number can be represented using 16 digits These are 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F where A=10 B=11,C=12,D=13,E14,F=15

For e.g. (345A) ₁₆

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