Compare 42131 vs 42821
| Property | 42131 | 42821 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 421311 | 428211 |
| Prime factorization | 42131 | 42821 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42131 | 1, 42821 |
| Number of properties | 6 | 5 |
| Additive primes | 1963rd | 1999th |
| Happy primes | 724th | |
| Isolated primes | 3179th | 3236th |
| Long primes | 1657th | |
| Primes | 4404th | 4477th |
| Pythagorean primes | 2221st | |
| Sophie germain primes | 588th | 595th |
| Roman numberals | ||
| Base 2 | 10100100100100112 | 10100111010001012 |
| Base 3 | 20102101023 | 20112012223 |
| Base 4 | 221021034 | 221310114 |
| Base 5 | 23220115 | 23322415 |
| Base 6 | 5230156 | 5301256 |
| Base 7 | 2335557 | 2355627 |
| Base 8 | 1222238 | 1235058 |
| Base 9 | 637129 | 646589 |
| Base 10 | 4213110 | 4282110 |
| Base 11 | 2972111 | 2a19911 |
| Base 12 | 2046b12 | 2094512 |
| Base 13 | 1623b13 | 1664c13 |
| Base 14 | 114d514 | 1186914 |
| Base 15 | c73b15 | ca4b15 |
| Base 16 | a49316 | a74516 |