Compare 381221 vs 381226
| Property | 381221 | 381226 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 3812211 | 21 × 1906131 |
| Prime factorization | 381221 | 2 × 190613 |
| Divisors count | 2 | 4 |
| Divisors | 1, 381221 | 1, 2, 190613, 381226 |
| Number of properties | 4 | 1 |
| Additive primes | 12842nd | |
| Chen primes | 13115th | |
| Primes | 32387th | |
| Semiprimes | 83647th | |
| Twin primes (1st member) | 3655th | |
| Roman numberals | ||
| Base 2 | 10111010001001001012 | 10111010001001010102 |
| Base 3 | 2011002210223 | 2011002211113 |
| Base 4 | 11310102114 | 11310102224 |
| Base 5 | 441443415 | 441444015 |
| Base 6 | 121005256 | 121005346 |
| Base 7 | 31453017 | 31453067 |
| Base 8 | 13504458 | 13504528 |
| Base 9 | 6408389 | 6408449 |
| Base 10 | 38122110 | 38122610 |
| Base 11 | 24046511 | 24046a11 |
| Base 12 | 16474512 | 16474a12 |
| Base 13 | 10469913 | 1046a113 |
| Base 14 | 9cd0114 | 9cd0614 |
| Base 15 | 77e4b15 | 77e5115 |
| Base 16 | 5d12516 | 5d12a16 |