Compare 991404 vs 991405
| Property | 991404 | 991405 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 32 × 275391 | 51 × 1982811 |
| Prime factorization | 2 × 2 × 3 × 3 × 27539 | 5 × 198281 |
| Divisors count | 18 | 4 |
| Divisors | 1, 2, 3, 4, 6, 9, 12, 18, 36, 27539, 55078, 82617, 110156, 165234, 247851, 330468, 495702, 991404 | 1, 5, 198281, 991405 |
| Number of properties | 0 | 1 |
| Semiprimes | 208328th | |
| Roman numberals | ||
| Base 2 | 111100100000101011002 | 111100100000101011012 |
| Base 3 | 12121002212003 | 12121002212013 |
| Base 4 | 33020022304 | 33020022314 |
| Base 5 | 2232111045 | 2232111105 |
| Base 6 | 331255006 | 331255016 |
| Base 7 | 112662517 | 112662527 |
| Base 8 | 36202548 | 36202558 |
| Base 9 | 17708509 | 17708519 |
| Base 10 | 99140410 | 99140510 |
| Base 11 | 61794711 | 61794811 |
| Base 12 | 3b989012 | 3b989112 |
| Base 13 | 28933b13 | 28933c13 |
| Base 14 | 1bb42814 | 1bb42914 |
| Base 15 | 148b3915 | 148b3a15 |
| Base 16 | f20ac16 | f20ad16 |