| Next prime | 83 |
| Previous prime | 73 |
| Octal | (117)8 |
| Hexadecimal | (4F)16 |
| Prime gap | 4 |
| 8th Cousin prime (the small number) | The big number is 83 . |
| 10th Prime of the Form 3n+1 | 22 + 3 * 52 |
| 12th Prime of the Form 4n+3 | |
| 7th Emirp (reversible prime) | |
| 13th Right-truncatable prime |