| Next prime | 37 |
| Previous prime | 29 |
| Octal | (37)8 |
| Hexadecimal | (1F)16 |
| Prime gap | 6 |
| 7th Sexy prime (the small number) | The big number is 37 . |
| 4th Prime of the Form 3n+1 | 22 + 3 * 32 |
| 6th Prime of the Form 4n+3 | |
| 3rd Emirp (reversible prime) | |
| 3rd Mersenne prime | 25 - 1 |
| 3rd Euclid prime | 5*3*2 + 1 |
| 5th primorial prime | 5*3*2 + 1 |
| 7th Right-truncatable prime |