Compare 990415 vs 990447
| Property | 990415 | 990447 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 1980831 | 31 × 3301491 |
| Prime factorization | 5 × 198083 | 3 × 330149 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 198083, 990415 | 1, 3, 330149, 990447 |
| Number of properties | 1 | 1 |
| Semiprimes | 208116th | 208125th |
| Roman numberals | ||
| Base 2 | 111100011100110011112 | 111100011100111011112 |
| Base 3 | 12120221210013 | 12120221220203 |
| Base 4 | 33013030334 | 33013032334 |
| Base 5 | 2231431305 | 2231432425 |
| Base 6 | 331211316 | 331212236 |
| Base 7 | 112633367 | 112634137 |
| Base 8 | 36163178 | 36163578 |
| Base 9 | 17685319 | 17685669 |
| Base 10 | 99041510 | 99044710 |
| Base 11 | 61712811 | 61715711 |
| Base 12 | 3b91a712 | 3b921312 |
| Base 13 | 288a5a13 | 288a8313 |
| Base 14 | 1bad1d14 | 1bad4314 |
| Base 15 | 1486ca15 | 1486ec15 |
| Base 16 | f1ccf16 | f1cef16 |