Compare 381221 vs 381231
| Property | 381221 | 381231 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 3812211 | 32 × 423591 |
| Prime factorization | 381221 | 3 × 3 × 42359 |
| Divisors count | 2 | 6 |
| Divisors | 1, 381221 | 1, 3, 9, 42359, 127077, 381231 |
| Number of properties | 4 | 0 |
| Additive primes | 12842nd | |
| Chen primes | 13115th | |
| Primes | 32387th | |
| Twin primes (1st member) | 3655th | |
| Roman numberals | ||
| Base 2 | 10111010001001001012 | 10111010001001011112 |
| Base 3 | 2011002210223 | 2011002212003 |
| Base 4 | 11310102114 | 11310102334 |
| Base 5 | 441443415 | 441444115 |
| Base 6 | 121005256 | 121005436 |
| Base 7 | 31453017 | 31453147 |
| Base 8 | 13504458 | 13504578 |
| Base 9 | 6408389 | 6408509 |
| Base 10 | 38122110 | 38123110 |
| Base 11 | 24046511 | 24047411 |
| Base 12 | 16474512 | 16475312 |
| Base 13 | 10469913 | 1046a613 |
| Base 14 | 9cd0114 | 9cd0b14 |
| Base 15 | 77e4b15 | 77e5615 |
| Base 16 | 5d12516 | 5d12f16 |