Numbers Converter

Convert numbers between different bases (Binary, Octal, Decimal, Hexadecimal, etc.)

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Understanding Number Systems

A number system is a writing system for expressing numbers; that is, a mathematical notation for representing numbers of a given set, using digits or other symbols in a consistent manner. The base of a number system determines the number of unique digits used to represent numbers.

Common Number Systems and Their Properties
System NameBaseDigits UsedExample (Value in Decimal)
Binary20, 110112 (= 1110)
Octal80, 1, 2, 3, 4, 5, 6, 7278 (= 2310)
Decimal100, 1, 2, 3, 4, 5, 6, 7, 8, 912310
Hexadecimal160-9, A (10), B (11), C (12), D (13), E (14), F (15)A516 (= 16510)
Base 36360-9, A-Z1Z36 (= 7110)