Compare 289987 vs 289991
| Property | 289987 | 289991 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2899871 | 131 × 223071 |
| Prime factorization | 289987 | 13 × 22307 |
| Divisors count | 2 | 4 |
| Divisors | 1, 289987 | 1, 13, 22307, 289991 |
| Number of properties | 3 | 1 |
| Additive primes | 10068th | |
| Isolated primes | 19382nd | |
| Primes | 25223rd | |
| Semiprimes | 64464th | |
| Roman numberals | ||
| Base 2 | 10001101100110000112 | 10001101100110001112 |
| Base 3 | 1122012100213 | 1122012101023 |
| Base 4 | 10123030034 | 10123030134 |
| Base 5 | 332344225 | 332344315 |
| Base 6 | 101143116 | 101143156 |
| Base 7 | 23153057 | 23153127 |
| Base 8 | 10663038 | 10663078 |
| Base 9 | 4817079 | 4817129 |
| Base 10 | 28998710 | 28999110 |
| Base 11 | 18896511 | 18896911 |
| Base 12 | 11b99712 | 11b99b12 |
| Base 13 | a1cb913 | a1cc013 |
| Base 14 | 7797514 | 7797914 |
| Base 15 | 5adc715 | 5adcb15 |
| Base 16 | 46cc316 | 46cc716 |