What is 15 in binary?
15 in decimal equals 1111 in binary.
Step-by-step working
| Division | Quotient | Remainder |
|---|---|---|
| 15 ÷ 2 | 7 | 1 |
| 7 ÷ 2 | 3 | 1 |
| 3 ÷ 2 | 1 | 1 |
| 1 ÷ 2 | 0 | 1 |
How it works
Divide 15 by 2 repeatedly, writing down each remainder, then read the remainders from bottom to top.
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