Compare 421409 vs 421661
| Property | 421409 | 421661 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4214091 | 4216611 |
| Prime factorization | 421409 | 421661 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421409 | 1, 421661 |
| Number of properties | 4 | 5 |
| Chen primes | 14254th | 14261st |
| Cousin primes (2nd member) | 3971st | |
| Happy primes | 5276th | |
| Isolated primes | 27551st | 27567th |
| Primes | 35496th | 35516th |
| Sophie germain primes | 3748th | |
| Roman numberals | ||
| Base 2 | 11001101110001000012 | 11001101111000111012 |
| Base 3 | 2101020012023 | 2101021020023 |
| Base 4 | 12123202014 | 12123301314 |
| Base 5 | 1014411145 | 1014431215 |
| Base 6 | 130105456 | 130120456 |
| Base 7 | 34034127 | 34042227 |
| Base 8 | 14670418 | 14674358 |
| Base 9 | 7120529 | 7123629 |
| Base 10 | 42140910 | 42166110 |
| Base 11 | 26867a11 | 26888911 |
| Base 12 | 183a5512 | 18402512 |
| Base 13 | 119a7113 | 119c0613 |
| Base 14 | ad80914 | ad94914 |
| Base 15 | 84cde15 | 84e0b15 |
| Base 16 | 66e2116 | 66f1d16 |