Compare 660001 vs 661009
| Property | 660001 | 661009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6600011 | 6610091 |
| Prime factorization | 660001 | 661009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 660001 | 1, 661009 |
| Number of properties | 4 | 3 |
| Additive primes | 20912th | |
| Isolated primes | 42071st | |
| Lucky primes | 6141st | 6149th |
| Primes | 53565th | 53648th |
| Twin primes (2nd member) | 5777th | |
| Roman numberals | ||
| Base 2 | 101000010010001000012 | 101000010110000100012 |
| Base 3 | 10201121001113 | 10201202012113 |
| Base 4 | 22010202014 | 22011201014 |
| Base 5 | 1321100015 | 1321230145 |
| Base 6 | 220513216 | 221001216 |
| Base 7 | 54161267 | 54220667 |
| Base 8 | 24110418 | 24130218 |
| Base 9 | 12153149 | 12166549 |
| Base 10 | 66000110 | 66100910 |
| Base 11 | 41096111 | 41169811 |
| Base 12 | 279b4112 | 27a64112 |
| Base 13 | 1a154413 | 1a1b3b13 |
| Base 14 | 13274d14 | 132c6d14 |
| Base 15 | d085115 | d0cc415 |
| Base 16 | a122116 | a161116 |