Compare 389981 vs 389987
| Property | 389981 | 389987 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 3899811 | 131 × 1311 × 2291 |
| Prime factorization | 389981 | 13 × 131 × 229 |
| Divisors count | 2 | 8 |
| Divisors | 1, 389981 | 1, 13, 131, 229, 1703, 2977, 29999, 389987 |
| Number of properties | 3 | 0 |
| Emirps | 6442nd | |
| Isolated primes | 25626th | |
| Primes | 33065th | |
| Roman numberals | ||
| Base 2 | 10111110011010111012 | 10111110011011000112 |
| Base 3 | 2012102212023 | 2012102212223 |
| Base 4 | 11330311314 | 11330312034 |
| Base 5 | 444344115 | 444344225 |
| Base 6 | 122052456 | 122052556 |
| Base 7 | 32126547 | 32126637 |
| Base 8 | 13715358 | 13715438 |
| Base 9 | 6538529 | 6538589 |
| Base 10 | 38998110 | 38998710 |
| Base 11 | 246aa911 | 24700411 |
| Base 12 | 16982512 | 16982b12 |
| Base 13 | 10867713 | 10868013 |
| Base 14 | a219b14 | a21a314 |
| Base 15 | 7a83b15 | 7a84215 |
| Base 16 | 5f35d16 | 5f36316 |