Compare 1415 vs 1457
| Property | 1415 | 1457 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 2831 | 311 × 471 |
| Prime factorization | 5 × 283 | 31 × 47 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 283, 1415 | 1, 31, 47, 1457 |
| Number of properties | 1 | 1 |
| Semiprimes | 420th | 427th |
| Roman numberals | MCDXV | MCDLVII |
| Base 2 | 101100001112 | 101101100012 |
| Base 3 | 12211023 | 12222223 |
| Base 4 | 1120134 | 1123014 |
| Base 5 | 211305 | 213125 |
| Base 6 | 103156 | 104256 |
| Base 7 | 40617 | 41517 |
| Base 8 | 26078 | 26618 |
| Base 9 | 18429 | 18889 |
| Base 10 | 141510 | 145710 |
| Base 11 | 107711 | 110511 |
| Base 12 | 99b12 | a1512 |
| Base 13 | 84b13 | 88113 |
| Base 14 | 73114 | 76114 |
| Base 15 | 64515 | 67215 |
| Base 16 | 58716 | 5b116 |