Compare 642071 vs 642149
| Property | 642071 | 642149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6420711 | 6421491 |
| Prime factorization | 642071 | 642149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642071 | 1, 642149 |
| Number of properties | 3 | 3 |
| Chen primes | 20432nd | |
| Isolated primes | 40933rd | |
| Primes | 52226th | 52232nd |
| Sexy primes (1st member) | 11315th | |
| Twin primes (1st member) | 5649th | |
| Roman numberals | ||
| Base 2 | 100111001100000101112 | 100111001100011001012 |
| Base 3 | 10121212021023 | 10121212120223 |
| Base 4 | 21303001134 | 21303012114 |
| Base 5 | 1310212415 | 1310220445 |
| Base 6 | 214323156 | 214325256 |
| Base 7 | 53126337 | 53131047 |
| Base 8 | 23460278 | 23461458 |
| Base 9 | 11776729 | 11777689 |
| Base 10 | 64207110 | 64214910 |
| Base 11 | 3a944111 | 3a950211 |
| Base 12 | 26b69b12 | 26b74512 |
| Base 13 | 19633113 | 19639113 |
| Base 14 | 129dc314 | 12a03b14 |
| Base 15 | ca39b15 | ca3ee15 |
| Base 16 | 9cc1716 | 9cc6516 |