Compare 642133 vs 642143
| Property | 642133 | 642143 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6421331 | 191 × 337971 |
| Prime factorization | 642133 | 19 × 33797 |
| Divisors count | 2 | 4 |
| Divisors | 1, 642133 | 1, 19, 33797, 642143 |
| Number of properties | 5 | 1 |
| Additive primes | 20413th | |
| Isolated primes | 40936th | |
| Lucky primes | 5996th | |
| Primes | 52231st | |
| Semiprimes | 137583rd | |
| Ulam primes | 3829th | |
| Roman numberals | ||
| Base 2 | 100111001100010101012 | 100111001100010111112 |
| Base 3 | 10121212112013 | 10121212120023 |
| Base 4 | 21303011114 | 21303011334 |
| Base 5 | 1310220135 | 1310220335 |
| Base 6 | 214325016 | 214325156 |
| Base 7 | 53130527 | 53130657 |
| Base 8 | 23461258 | 23461378 |
| Base 9 | 11777519 | 11777629 |
| Base 10 | 64213310 | 64214310 |
| Base 11 | 3a949811 | 3a94a711 |
| Base 12 | 26b73112 | 26b73b12 |
| Base 13 | 19637b13 | 19638813 |
| Base 14 | 12a02914 | 12a03514 |
| Base 15 | ca3dd15 | ca3e815 |
| Base 16 | 9cc5516 | 9cc5f16 |