Compare 39981 vs 39990
| Property | 39981 | 39990 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 5 |
| Total factors | 2 | 5 |
| Prime factorization | 31 × 133271 | 21 × 31 × 51 × 311 × 431 |
| Prime factorization | 3 × 13327 | 2 × 3 × 5 × 31 × 43 |
| Divisors count | 4 | 32 |
| Divisors | 1, 3, 13327, 39981 | 1, 2, 3, 5, 6, 10, 15, 30, 31, 43, 62, 86, 93, 129, 155, 186, 215, 258, 310, 430, 465, 645, 930, 1290, 1333, 2666, 3999, 6665, 7998, 13330, 19995, 39990 |
| Number of properties | 1 | 0 |
| Semiprimes | 9786th | |
| Roman numberals | ||
| Base 2 | 10011100001011012 | 10011100001101102 |
| Base 3 | 20002112103 | 20002120103 |
| Base 4 | 213002314 | 213003124 |
| Base 5 | 22344115 | 22344305 |
| Base 6 | 5050336 | 5050506 |
| Base 7 | 2243647 | 2244067 |
| Base 8 | 1160558 | 1160668 |
| Base 9 | 607539 | 607639 |
| Base 10 | 3998110 | 3999010 |
| Base 11 | 2804711 | 2805511 |
| Base 12 | 1b17912 | 1b18612 |
| Base 13 | 1527613 | 1528213 |
| Base 14 | 107db14 | 1080614 |
| Base 15 | bca615 | bcb015 |
| Base 16 | 9c2d16 | 9c3616 |