Compare 381209 vs 381221
| Property | 381209 | 381221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3812091 | 3812211 |
| Prime factorization | 381209 | 381221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 381209 | 1, 381221 |
| Number of properties | 4 | 4 |
| Additive primes | 12841st | 12842nd |
| Chen primes | 13114th | 13115th |
| Isolated primes | 25079th | |
| Primes | 32386th | 32387th |
| Twin primes (1st member) | 3655th | |
| Roman numberals | ||
| Base 2 | 10111010001000110012 | 10111010001001001012 |
| Base 3 | 2011002202123 | 2011002210223 |
| Base 4 | 11310101214 | 11310102114 |
| Base 5 | 441443145 | 441443415 |
| Base 6 | 121005056 | 121005256 |
| Base 7 | 31452537 | 31453017 |
| Base 8 | 13504318 | 13504458 |
| Base 9 | 6408259 | 6408389 |
| Base 10 | 38120910 | 38122110 |
| Base 11 | 24045411 | 24046511 |
| Base 12 | 16473512 | 16474512 |
| Base 13 | 10468a13 | 10469913 |
| Base 14 | 9ccd314 | 9cd0114 |
| Base 15 | 77e3e15 | 77e4b15 |
| Base 16 | 5d11916 | 5d12516 |