Compare 249721 vs 249728
| Property | 249721 | 249728 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 8 |
| Prime factorization | 2497211 | 27 × 19511 |
| Prime factorization | 249721 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1951 |
| Divisors count | 2 | 16 |
| Divisors | 1, 249721 | 1, 2, 4, 8, 16, 32, 64, 128, 1951, 3902, 7804, 15608, 31216, 62432, 124864, 249728 |
| Number of properties | 4 | 0 |
| Isolated primes | 16850th | |
| Primes | 22021st | |
| Sexy primes (1st member) | 5140th | |
| Ulam primes | 1579th | |
| Roman numberals | ||
| Base 2 | 1111001111011110012 | 1111001111100000002 |
| Base 3 | 1102001122213 | 1102001200123 |
| Base 4 | 3303313214 | 3303320004 |
| Base 5 | 304423415 | 304424035 |
| Base 6 | 52040416 | 52040526 |
| Base 7 | 20600237 | 20600337 |
| Base 8 | 7475718 | 7476008 |
| Base 9 | 4204879 | 4205059 |
| Base 10 | 24972110 | 24972810 |
| Base 11 | 16068a11 | 16069611 |
| Base 12 | 10062112 | 10062812 |
| Base 13 | 8988413 | 8988b13 |
| Base 14 | 6701314 | 6701a14 |
| Base 15 | 4ded115 | 4ded815 |
| Base 16 | 3cf7916 | 3cf8016 |