Compare 42817 vs 42821
| Property | 42817 | 42821 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 471 × 9111 | 428211 |
| Prime factorization | 47 × 911 | 42821 |
| Divisors count | 4 | 2 |
| Divisors | 1, 47, 911, 42817 | 1, 42821 |
| Number of properties | 1 | 5 |
| Additive primes | 1999th | |
| Isolated primes | 3236th | |
| Primes | 4477th | |
| Pythagorean primes | 2221st | |
| Semiprimes | 10423rd | |
| Sophie germain primes | 595th | |
| Roman numberals | ||
| Base 2 | 10100111010000012 | 10100111010001012 |
| Base 3 | 20112012113 | 20112012223 |
| Base 4 | 221310014 | 221310114 |
| Base 5 | 23322325 | 23322415 |
| Base 6 | 5301216 | 5301256 |
| Base 7 | 2355557 | 2355627 |
| Base 8 | 1235018 | 1235058 |
| Base 9 | 646549 | 646589 |
| Base 10 | 4281710 | 4282110 |
| Base 11 | 2a19511 | 2a19911 |
| Base 12 | 2094112 | 2094512 |
| Base 13 | 1664813 | 1664c13 |
| Base 14 | 1186514 | 1186914 |
| Base 15 | ca4715 | ca4b15 |
| Base 16 | a74116 | a74516 |