Compare 861221 vs 862013
| Property | 861221 | 862013 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8612211 | 8620131 |
| Prime factorization | 861221 | 862013 |
| Divisors count | 2 | 2 |
| Divisors | 1, 861221 | 1, 862013 |
| Number of properties | 3 | 4 |
| Cousin primes (2nd member) | 7221st | |
| Isolated primes | 54066th | 54110th |
| Primes | 68439th | 68495th |
| Sophie germain primes | 6847th | 6853rd |
| Roman numberals | ||
| Base 2 | 110100100100001001012 | 110100100111001111012 |
| Base 3 | 11212021010023 | 11212101101023 |
| Base 4 | 31021002114 | 31021303314 |
| Base 5 | 2100243415 | 2100410235 |
| Base 6 | 302430456 | 302504456 |
| Base 7 | 102145647 | 102201057 |
| Base 8 | 32220458 | 32234758 |
| Base 9 | 15523329 | 15534129 |
| Base 10 | 86122110 | 86201310 |
| Base 11 | 53905911 | 53970911 |
| Base 12 | 35648512 | 356a2512 |
| Base 13 | 241cca13 | 24248913 |
| Base 14 | 185bdb14 | 18620514 |
| Base 15 | 12029b15 | 12062815 |
| Base 16 | d242516 | d273d16 |