Compare 248639 vs 249721
| Property | 248639 | 249721 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2486391 | 2497211 |
| Prime factorization | 248639 | 249721 |
| Divisors count | 2 | 2 |
| Divisors | 1, 248639 | 1, 249721 |
| Number of properties | 6 | 4 |
| Chen primes | 9079th | |
| Harmonic primes | 8189th | |
| Isolated primes | 16850th | |
| Primes | 21933rd | 22021st |
| Sexy primes (1st member) | 5140th | |
| Sophie germain primes | 2458th | |
| Twin primes (1st member) | 2579th | |
| Ulam primes | 1571st | 1579th |
| Roman numberals | ||
| Base 2 | 1111001011001111112 | 1111001111011110012 |
| Base 3 | 1101220012123 | 1102001122213 |
| Base 4 | 3302303334 | 3303313214 |
| Base 5 | 304240245 | 304423415 |
| Base 6 | 51550356 | 52040416 |
| Base 7 | 20536167 | 20600237 |
| Base 8 | 7454778 | 7475718 |
| Base 9 | 4180559 | 4204879 |
| Base 10 | 24863910 | 24972110 |
| Base 11 | 15a89611 | 16068a11 |
| Base 12 | bba7b12 | 10062112 |
| Base 13 | 8923113 | 8988413 |
| Base 14 | 6687d14 | 6701314 |
| Base 15 | 4da0e15 | 4ded115 |
| Base 16 | 3cb3f16 | 3cf7916 |