| Next prime | 1697 |
| Previous prime | 1669 |
| Octal | (3235)8 |
| Hexadecimal | (69D)16 |
| Prime gap | 4 |
| 44th Prime triplet (the smallest number) | The others are 1697 and 1699 . |
| 60th Cousin prime (the small number) | The big number is 1697 . |
| 114th Sexy prime (the small number) | The big number is 1699 . |
| 128th Prime of the Form 3n+1 | 412 + 3 * 22 |
| 127th Prime of the Form 4n+1 | 182 + 372 |