15 in Binary
Decimal 15 equals 1111 in binary.
15 in all number bases
Decimal15
Hexadecimal0xF
Binary1111
Octal17
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Edit this value or switch its base. Your changes are calculated in your browser with exact integer arithmetic.
Input base:
Decimal
15Hex
0xFBinary
0b1111Octal
0o17How 15 converts from decimal to binary
Divide by 2 repeatedly and keep each remainder, then read the remainders from bottom to top:
15÷ 2 =7remainder1
7÷ 2 =3remainder1
3÷ 2 =1remainder1
1÷ 2 =0remainder1
Result (remainders bottom to top): 1111
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