Compare 661009 vs 661015
| Property | 661009 | 661015 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6610091 | 51 × 731 × 18111 |
| Prime factorization | 661009 | 5 × 73 × 1811 |
| Divisors count | 2 | 8 |
| Divisors | 1, 661009 | 1, 5, 73, 365, 1811, 9055, 132203, 661015 |
| Number of properties | 3 | 0 |
| Isolated primes | 42071st | |
| Lucky primes | 6149th | |
| Primes | 53648th | |
| Roman numberals | ||
| Base 2 | 101000010110000100012 | 101000010110000101112 |
| Base 3 | 10201202012113 | 10201202020013 |
| Base 4 | 22011201014 | 22011201134 |
| Base 5 | 1321230145 | 1321230305 |
| Base 6 | 221001216 | 221001316 |
| Base 7 | 54220667 | 54221057 |
| Base 8 | 24130218 | 24130278 |
| Base 9 | 12166549 | 12166619 |
| Base 10 | 66100910 | 66101510 |
| Base 11 | 41169811 | 4116a311 |
| Base 12 | 27a64112 | 27a64712 |
| Base 13 | 1a1b3b13 | 1a1b4413 |
| Base 14 | 132c6d14 | 132c7514 |
| Base 15 | d0cc415 | d0cca15 |
| Base 16 | a161116 | a161716 |