Compare 390409 vs 390421
| Property | 390409 | 390421 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 671 × 58271 | 3904211 |
| Prime factorization | 67 × 5827 | 390421 |
| Divisors count | 4 | 2 |
| Divisors | 1, 67, 5827, 390409 | 1, 390421 |
| Number of properties | 1 | 3 |
| Additive primes | 13109th | |
| Primes | 33104th | |
| Semiprimes | 85571st | |
| Twin primes (2nd member) | 3726th | |
| Roman numberals | ||
| Base 2 | 10111110101000010012 | 10111110101000101012 |
| Base 3 | 2012111121213 | 2012111200013 |
| Base 4 | 11331100214 | 11331101114 |
| Base 5 | 444431145 | 444431415 |
| Base 6 | 122112416 | 122113016 |
| Base 7 | 32141357 | 32141537 |
| Base 8 | 13724118 | 13724258 |
| Base 9 | 6544779 | 6545019 |
| Base 10 | 39040910 | 39042110 |
| Base 11 | 24735811 | 24736911 |
| Base 12 | 169b2112 | 169b3112 |
| Base 13 | 10891613 | 10892513 |
| Base 14 | a23c514 | a23d314 |
| Base 15 | 7aa2415 | 7aa3115 |
| Base 16 | 5f50916 | 5f51516 |