4 in Binary
Decimal 4 equals 100 in binary.
4 in all number bases
Decimal4
Hexadecimal0x4
Binary0100
Octal4
Try another value
Edit this value or switch its base. Your changes are calculated in your browser with exact integer arithmetic.
Input base:
Decimal
4Hex
0x4Binary
0b100Octal
0o4How 4 converts from decimal to binary
Divide by 2 repeatedly and keep each remainder, then read the remainders from bottom to top:
4÷ 2 =2remainder0
2÷ 2 =1remainder0
1÷ 2 =0remainder1
Result (remainders bottom to top): 100
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