Compare 642013 vs 642049
| Property | 642013 | 642049 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6420131 | 6420491 |
| Prime factorization | 642013 | 642049 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642013 | 1, 642049 |
| Number of properties | 2 | 3 |
| Isolated primes | 40932nd | |
| Primes | 52224th | 52225th |
| Proth primes | 195th | |
| Twin primes (2nd member) | 5647th | |
| Roman numberals | ||
| Base 2 | 100111001011110111012 | 100111001100000000012 |
| Base 3 | 10121212000213 | 10121212011213 |
| Base 4 | 21302331314 | 21303000014 |
| Base 5 | 1310210235 | 1310211445 |
| Base 6 | 214321416 | 214322416 |
| Base 7 | 53125217 | 53126027 |
| Base 8 | 23457358 | 23460018 |
| Base 9 | 11776079 | 11776479 |
| Base 10 | 64201310 | 64204910 |
| Base 11 | 3a939911 | 3a942111 |
| Base 12 | 26b65112 | 26b68112 |
| Base 13 | 1962b813 | 19631513 |
| Base 14 | 129d8114 | 129da914 |
| Base 15 | ca35d15 | ca38415 |
| Base 16 | 9cbdd16 | 9cc0116 |