Compare 660997 vs 661009
| Property | 660997 | 661009 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 231 × 291 × 9911 | 6610091 |
| Prime factorization | 23 × 29 × 991 | 661009 |
| Divisors count | 8 | 2 |
| Divisors | 1, 23, 29, 667, 991, 22793, 28739, 660997 | 1, 661009 |
| Number of properties | 0 | 3 |
| Isolated primes | 42071st | |
| Lucky primes | 6149th | |
| Primes | 53648th | |
| Roman numberals | ||
| Base 2 | 101000010110000001012 | 101000010110000100012 |
| Base 3 | 10201202011013 | 10201202012113 |
| Base 4 | 22011200114 | 22011201014 |
| Base 5 | 1321224425 | 1321230145 |
| Base 6 | 221001016 | 221001216 |
| Base 7 | 54220517 | 54220667 |
| Base 8 | 24130058 | 24130218 |
| Base 9 | 12166419 | 12166549 |
| Base 10 | 66099710 | 66100910 |
| Base 11 | 41168711 | 41169811 |
| Base 12 | 27a63112 | 27a64112 |
| Base 13 | 1a1b2c13 | 1a1b3b13 |
| Base 14 | 132c6114 | 132c6d14 |
| Base 15 | d0cb715 | d0cc415 |
| Base 16 | a160516 | a161116 |