Compare 285142 vs 285149
| Property | 285142 | 285149 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 111 × 131 × 9971 | 471 × 60671 |
| Prime factorization | 2 × 11 × 13 × 997 | 47 × 6067 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 11, 13, 22, 26, 143, 286, 997, 1994, 10967, 12961, 21934, 25922, 142571, 285142 | 1, 47, 6067, 285149 |
| Number of properties | 0 | 1 |
| Semiprimes | 63417th | |
| Roman numberals | ||
| Base 2 | 10001011001110101102 | 10001011001110111012 |
| Base 3 | 1121110102113 | 1121110110023 |
| Base 4 | 10112131124 | 10112131314 |
| Base 5 | 331110325 | 331110445 |
| Base 6 | 100400346 | 100400456 |
| Base 7 | 22652147 | 22652247 |
| Base 8 | 10547268 | 10547358 |
| Base 9 | 4741249 | 4741329 |
| Base 10 | 28514210 | 28514910 |
| Base 11 | 18526011 | 18526711 |
| Base 12 | 11901a12 | 11902512 |
| Base 13 | 9ca3013 | 9ca3713 |
| Base 14 | 75cb414 | 75cbb14 |
| Base 15 | 5974715 | 5974e15 |
| Base 16 | 459d616 | 459dd16 |