Compare 9920 vs 9921
| Property | 9920 | 9921 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 8 | 2 |
| Prime factorization | 26 × 51 × 311 | 31 × 33071 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 | 3 × 3307 |
| Divisors count | 28 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920 | 1, 3, 3307, 9921 |
| Number of properties | 0 | 1 |
| Semiprimes | 2599th | |
| Roman numberals | ||
| Base 2 | 100110110000002 | 100110110000012 |
| Base 3 | 1111211023 | 1111211103 |
| Base 4 | 21230004 | 21230014 |
| Base 5 | 3041405 | 3041415 |
| Base 6 | 1135326 | 1135336 |
| Base 7 | 406317 | 406327 |
| Base 8 | 233008 | 233018 |
| Base 9 | 145429 | 145439 |
| Base 10 | 992010 | 992110 |
| Base 11 | 74a911 | 74aa11 |
| Base 12 | 58a812 | 58a912 |
| Base 13 | 469113 | 469213 |
| Base 14 | 388814 | 388914 |
| Base 15 | 2e1515 | 2e1615 |
| Base 16 | 26c016 | 26c116 |