Compare 812218 vs 812221
| Property | 812218 | 812221 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 111 × 369191 | 8122211 |
| Prime factorization | 2 × 11 × 36919 | 812221 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 11, 22, 36919, 73838, 406109, 812218 | 1, 812221 |
| Number of properties | 0 | 4 |
| Isolated primes | 51176th | |
| Primes | 64849th | |
| Super primes | 6480th | |
| Ulam primes | 4746th | |
| Roman numberals | ||
| Base 2 | 110001100100101110102 | 110001100100101111012 |
| Base 3 | 11120210110113 | 11120210110213 |
| Base 4 | 30121023224 | 30121023314 |
| Base 5 | 2014423335 | 2014423415 |
| Base 6 | 252241346 | 252241416 |
| Base 7 | 66216617 | 66216647 |
| Base 8 | 30622728 | 30622758 |
| Base 9 | 14671349 | 14671379 |
| Base 10 | 81221810 | 81222110 |
| Base 11 | 50526011 | 50526311 |
| Base 12 | 33204a12 | 33205112 |
| Base 13 | 22590413 | 22590713 |
| Base 14 | 171dd814 | 171ddb14 |
| Base 15 | 1109cd15 | 1109d115 |
| Base 16 | c64ba16 | c64bd16 |