1 in binary = 1
In other bases: hexadecimal 1, octal 1. The binary number has 1 bit.
Divide by 2 repeatedly and note each remainder. Read the remainders from bottom to top.
| Division | Quotient | Remainder |
|---|---|---|
| 1 ÷ 2 | 0 | 1 |
Remainders bottom to top: 1.
| Power of 2 | 1 |
|---|---|
| Bit | 1 |
Add the powers of 2 where the bit is 1: 1 = 1.
Need another number or the reverse direction? Use the binary to decimal converter or the text to binary converter.
| Decimal | Binary | Hex | Octal |
|---|---|---|---|
| 2 | 10 | 2 | 2 |
| 3 | 11 | 3 | 3 |
| 4 | 100 | 4 | 4 |
| 5 | 101 | 5 | 5 |