Compare 30387 vs 30391
| Property | 30387 | 30391 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 14471 | 303911 |
| Prime factorization | 3 × 7 × 1447 | 30391 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 1447, 4341, 10129, 30387 | 1, 30391 |
| Number of properties | 0 | 4 |
| Happy primes | 540th | |
| Harmonic primes | 1224th | |
| Primes | 3284th | |
| Twin primes (2nd member) | 472nd | |
| Roman numberals | ||
| Base 2 | 1110110101100112 | 1110110101101112 |
| Base 3 | 11122001103 | 11122001213 |
| Base 4 | 131223034 | 131223134 |
| Base 5 | 14330225 | 14330315 |
| Base 6 | 3524036 | 3524116 |
| Base 7 | 1544107 | 1544147 |
| Base 8 | 732638 | 732678 |
| Base 9 | 456139 | 456179 |
| Base 10 | 3038710 | 3039110 |
| Base 11 | 2091511 | 2091911 |
| Base 12 | 1570312 | 1570712 |
| Base 13 | 10aa613 | 10aaa13 |
| Base 14 | b10714 | b10b14 |
| Base 15 | 900c15 | 901115 |
| Base 16 | 76b316 | 76b716 |