Compare 381221 vs 381989
| Property | 381221 | 381989 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3812211 | 3819891 |
| Prime factorization | 381221 | 381989 |
| Divisors count | 2 | 2 |
| Divisors | 1, 381221 | 1, 381989 |
| Number of properties | 4 | 3 |
| Additive primes | 12842nd | |
| Chen primes | 13115th | 13141st |
| Primes | 32387th | 32447th |
| Twin primes (1st member) | 3655th | 3662nd |
| Roman numberals | ||
| Base 2 | 10111010001001001012 | 10111010100001001012 |
| Base 3 | 2011002210223 | 2011012222023 |
| Base 4 | 11310102114 | 11311002114 |
| Base 5 | 441443415 | 442104245 |
| Base 6 | 121005256 | 121042456 |
| Base 7 | 31453017 | 31504467 |
| Base 8 | 13504458 | 13520458 |
| Base 9 | 6408389 | 6418829 |
| Base 10 | 38122110 | 38198910 |
| Base 11 | 24046511 | 240aa311 |
| Base 12 | 16474512 | 16508512 |
| Base 13 | 10469913 | 104b3a13 |
| Base 14 | 9cd0114 | 9d2cd14 |
| Base 15 | 77e4b15 | 782ae15 |
| Base 16 | 5d12516 | 5d42516 |