Compare 249709 vs 249721
| Property | 249709 | 249721 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 671 × 37271 | 2497211 |
| Prime factorization | 67 × 3727 | 249721 |
| Divisors count | 4 | 2 |
| Divisors | 1, 67, 3727, 249709 | 1, 249721 |
| Number of properties | 1 | 4 |
| Isolated primes | 16850th | |
| Primes | 22021st | |
| Semiprimes | 55873rd | |
| Sexy primes (1st member) | 5140th | |
| Ulam primes | 1579th | |
| Roman numberals | ||
| Base 2 | 1111001111011011012 | 1111001111011110012 |
| Base 3 | 1102001121113 | 1102001122213 |
| Base 4 | 3303312314 | 3303313214 |
| Base 5 | 304423145 | 304423415 |
| Base 6 | 52040216 | 52040416 |
| Base 7 | 20600057 | 20600237 |
| Base 8 | 7475558 | 7475718 |
| Base 9 | 4204749 | 4204879 |
| Base 10 | 24970910 | 24972110 |
| Base 11 | 16067911 | 16068a11 |
| Base 12 | 10061112 | 10062112 |
| Base 13 | 8987513 | 8988413 |
| Base 14 | 6700514 | 6701314 |
| Base 15 | 4dec415 | 4ded115 |
| Base 16 | 3cf6d16 | 3cf7916 |