Compare 861221 vs 861239
| Property | 861221 | 861239 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8612211 | 8612391 |
| Prime factorization | 861221 | 861239 |
| Divisors count | 2 | 2 |
| Divisors | 1, 861221 | 1, 861239 |
| Number of properties | 3 | 4 |
| Additive primes | 26412th | |
| Chen primes | 26342nd | |
| Isolated primes | 54066th | 54067th |
| Primes | 68439th | 68440th |
| Sophie germain primes | 6847th | |
| Roman numberals | ||
| Base 2 | 110100100100001001012 | 110100100100001101112 |
| Base 3 | 11212021010023 | 11212021012023 |
| Base 4 | 31021002114 | 31021003134 |
| Base 5 | 2100243415 | 2100244245 |
| Base 6 | 302430456 | 302431156 |
| Base 7 | 102145647 | 102146217 |
| Base 8 | 32220458 | 32220678 |
| Base 9 | 15523329 | 15523529 |
| Base 10 | 86122110 | 86123910 |
| Base 11 | 53905911 | 53907511 |
| Base 12 | 35648512 | 35649b12 |
| Base 13 | 241cca13 | 24201213 |
| Base 14 | 185bdb14 | 185c1114 |
| Base 15 | 12029b15 | 1202ae15 |
| Base 16 | d242516 | d243716 |