Compare 205981 vs 205987
| Property | 205981 | 205987 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2059811 | 291 × 71031 |
| Prime factorization | 205981 | 29 × 7103 |
| Divisors count | 2 | 4 |
| Divisors | 1, 205981 | 1, 29, 7103, 205987 |
| Number of properties | 3 | 1 |
| Isolated primes | 14043rd | |
| Primes | 18462nd | |
| Pythagorean primes | 9218th | |
| Semiprimes | 46537th | |
| Roman numberals | ||
| Base 2 | 1100100100100111012 | 1100100100101000112 |
| Base 3 | 1011101122213 | 1011101200113 |
| Base 4 | 3021021314 | 3021022034 |
| Base 5 | 230424115 | 230424225 |
| Base 6 | 42253416 | 42253516 |
| Base 7 | 15153467 | 15153557 |
| Base 8 | 6222358 | 6222438 |
| Base 9 | 3434879 | 3435049 |
| Base 10 | 20598110 | 20598710 |
| Base 11 | 13083611 | 13084111 |
| Base 12 | 9b25112 | 9b25712 |
| Base 13 | 729a913 | 729b213 |
| Base 14 | 550cd14 | 550d514 |
| Base 15 | 4107115 | 4107715 |
| Base 16 | 3249d16 | 324a316 |