Compare 249721 vs 249729
| Property | 249721 | 249729 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2497211 | 31 × 832431 |
| Prime factorization | 249721 | 3 × 83243 |
| Divisors count | 2 | 4 |
| Divisors | 1, 249721 | 1, 3, 83243, 249729 |
| Number of properties | 4 | 1 |
| Isolated primes | 16850th | |
| Primes | 22021st | |
| Semiprimes | 55875th | |
| Sexy primes (1st member) | 5140th | |
| Ulam primes | 1579th | |
| Roman numberals | ||
| Base 2 | 1111001111011110012 | 1111001111100000012 |
| Base 3 | 1102001122213 | 1102001200203 |
| Base 4 | 3303313214 | 3303320014 |
| Base 5 | 304423415 | 304424045 |
| Base 6 | 52040416 | 52040536 |
| Base 7 | 20600237 | 20600347 |
| Base 8 | 7475718 | 7476018 |
| Base 9 | 4204879 | 4205069 |
| Base 10 | 24972110 | 24972910 |
| Base 11 | 16068a11 | 16069711 |
| Base 12 | 10062112 | 10062912 |
| Base 13 | 8988413 | 8988c13 |
| Base 14 | 6701314 | 6701b14 |
| Base 15 | 4ded115 | 4ded915 |
| Base 16 | 3cf7916 | 3cf8116 |