Compare 661009 vs 662647
| Property | 661009 | 662647 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6610091 | 6626471 |
| Prime factorization | 661009 | 662647 |
| Divisors count | 2 | 2 |
| Divisors | 1, 661009 | 1, 662647 |
| Number of properties | 3 | 4 |
| Additive primes | 20991st | |
| Isolated primes | 42071st | 42169th |
| Lucky primes | 6149th | 6155th |
| Primes | 53648th | 53764th |
| Roman numberals | ||
| Base 2 | 101000010110000100012 | 101000011100011101112 |
| Base 3 | 10201202012113 | 10201222221113 |
| Base 4 | 22011201014 | 22013013134 |
| Base 5 | 1321230145 | 1322010425 |
| Base 6 | 221001216 | 221114516 |
| Base 7 | 54220667 | 54266267 |
| Base 8 | 24130218 | 24161678 |
| Base 9 | 12166549 | 12188749 |
| Base 10 | 66100910 | 66264710 |
| Base 11 | 41169811 | 41294711 |
| Base 12 | 27a64112 | 27b58712 |
| Base 13 | 1a1b3b13 | 1a27cb13 |
| Base 14 | 132c6d14 | 1336bd14 |
| Base 15 | d0cc415 | d151715 |
| Base 16 | a161116 | a1c7716 |