Compare 30391 vs 30399
| Property | 30391 | 30399 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 303911 | 31 × 101331 |
| Prime factorization | 30391 | 3 × 10133 |
| Divisors count | 2 | 4 |
| Divisors | 1, 30391 | 1, 3, 10133, 30399 |
| Number of properties | 4 | 1 |
| Happy primes | 540th | |
| Harmonic primes | 1224th | |
| Primes | 3284th | |
| Semiprimes | 7554th | |
| Twin primes (2nd member) | 472nd | |
| Roman numberals | ||
| Base 2 | 1110110101101112 | 1110110101111112 |
| Base 3 | 11122001213 | 11122002203 |
| Base 4 | 131223134 | 131223334 |
| Base 5 | 14330315 | 14330445 |
| Base 6 | 3524116 | 3524236 |
| Base 7 | 1544147 | 1544257 |
| Base 8 | 732678 | 732778 |
| Base 9 | 456179 | 456269 |
| Base 10 | 3039110 | 3039910 |
| Base 11 | 2091911 | 2092611 |
| Base 12 | 1570712 | 1571312 |
| Base 13 | 10aaa13 | 10ab513 |
| Base 14 | b10b14 | b11514 |
| Base 15 | 901115 | 901915 |
| Base 16 | 76b716 | 76bf16 |