Compare 9915 vs 9920
| Property | 9915 | 9920 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 8 |
| Prime factorization | 31 × 51 × 6611 | 26 × 51 × 311 |
| Prime factorization | 3 × 5 × 661 | 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 |
| Divisors count | 8 | 28 |
| Divisors | 1, 3, 5, 15, 661, 1983, 3305, 9915 | 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 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 100110101110112 | 100110110000002 |
| Base 3 | 1111210203 | 1111211023 |
| Base 4 | 21223234 | 21230004 |
| Base 5 | 3041305 | 3041405 |
| Base 6 | 1135236 | 1135326 |
| Base 7 | 406237 | 406317 |
| Base 8 | 232738 | 233008 |
| Base 9 | 145369 | 145429 |
| Base 10 | 991510 | 992010 |
| Base 11 | 74a411 | 74a911 |
| Base 12 | 58a312 | 58a812 |
| Base 13 | 468913 | 469113 |
| Base 14 | 388314 | 388814 |
| Base 15 | 2e1015 | 2e1515 |
| Base 16 | 26bb16 | 26c016 |