Compare 642013 vs 642121
| Property | 642013 | 642121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6420131 | 6421211 |
| Prime factorization | 642013 | 642121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642013 | 1, 642121 |
| Number of properties | 2 | 2 |
| Isolated primes | 40935th | |
| Primes | 52224th | 52230th |
| Twin primes (2nd member) | 5647th | |
| Roman numberals | ||
| Base 2 | 100111001011110111012 | 100111001100010010012 |
| Base 3 | 10121212000213 | 10121212110213 |
| Base 4 | 21302331314 | 21303010214 |
| Base 5 | 1310210235 | 1310214415 |
| Base 6 | 214321416 | 214324416 |
| Base 7 | 53125217 | 53130347 |
| Base 8 | 23457358 | 23461118 |
| Base 9 | 11776079 | 11777379 |
| Base 10 | 64201310 | 64212110 |
| Base 11 | 3a939911 | 3a948711 |
| Base 12 | 26b65112 | 26b72112 |
| Base 13 | 1962b813 | 19636c13 |
| Base 14 | 129d8114 | 12a01b14 |
| Base 15 | ca35d15 | ca3d115 |
| Base 16 | 9cbdd16 | 9cc4916 |