Compare 666667 vs 666889
| Property | 666667 | 666889 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6666671 | 6668891 |
| Prime factorization | 666667 | 666889 |
| Divisors count | 2 | 2 |
| Divisors | 1, 666667 | 1, 666889 |
| Number of properties | 5 | 3 |
| Additive primes | 21106th | 21112th |
| Cousin primes (1st member) | 5831st | |
| Isolated primes | 42397th | 42411th |
| Lucky primes | 6184th | |
| Primes | 54070th | 54088th |
| Roman numberals | ||
| Base 2 | 101000101100001010112 | 101000101101000010012 |
| Base 3 | 10202121111013 | 10202122101213 |
| Base 4 | 22023002234 | 22023100214 |
| Base 5 | 1323131325 | 1323200245 |
| Base 6 | 221422316 | 221432416 |
| Base 7 | 54444317 | 54451667 |
| Base 8 | 24260538 | 24264118 |
| Base 9 | 12254419 | 12257179 |
| Base 10 | 66666710 | 66688910 |
| Base 11 | 41597111 | 41605311 |
| Base 12 | 28197712 | 281b2112 |
| Base 13 | 1a45a113 | 1a471213 |
| Base 14 | 134d5114 | 13506d14 |
| Base 15 | d27e715 | d28e415 |
| Base 16 | a2c2b16 | a2d0916 |