Octal is a base eight number system. The symbols used in this number system are 0,1,2,3,4,5,6,7. The Octal Number System conversion comes from the binary number system which is grouped every three binary bits from the right end (LSB or Least Significant Bit).
| Binary | Octal |
|---|---|
| 0000 | 0 |
| 0001 | 1 |
| 0010 | 2 |
| 0011 | 3 |
| 0100 | 4 |
| 0101 | 5 |
| 0110 | 6 |
| 0111 | 7 |
| 1000 | 10 |
| 1001 | 11 |
| 1010 | 12 |
| 1011 | 13 |
| 1100 | 14 |
| 1101 | 15 |
| 1110 | 16 |
| 1111 | 17 |