Compare 30388 vs 30391
| Property | 30388 | 30391 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 711 × 1071 | 303911 |
| Prime factorization | 2 × 2 × 71 × 107 | 30391 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 71, 107, 142, 214, 284, 428, 7597, 15194, 30388 | 1, 30391 |
| Number of properties | 0 | 4 |
| Happy primes | 540th | |
| Harmonic primes | 1224th | |
| Primes | 3284th | |
| Twin primes (2nd member) | 472nd | |
| Roman numberals | ||
| Base 2 | 1110110101101002 | 1110110101101112 |
| Base 3 | 11122001113 | 11122001213 |
| Base 4 | 131223104 | 131223134 |
| Base 5 | 14330235 | 14330315 |
| Base 6 | 3524046 | 3524116 |
| Base 7 | 1544117 | 1544147 |
| Base 8 | 732648 | 732678 |
| Base 9 | 456149 | 456179 |
| Base 10 | 3038810 | 3039110 |
| Base 11 | 2091611 | 2091911 |
| Base 12 | 1570412 | 1570712 |
| Base 13 | 10aa713 | 10aaa13 |
| Base 14 | b10814 | b10b14 |
| Base 15 | 900d15 | 901115 |
| Base 16 | 76b416 | 76b716 |