Compare 638977 vs 642049
| Property | 638977 | 642049 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6389771 | 6420491 |
| Prime factorization | 638977 | 642049 |
| Divisors count | 2 | 2 |
| Divisors | 1, 638977 | 1, 642049 |
| Number of properties | 5 | 3 |
| Isolated primes | 40753rd | 40932nd |
| Lucky primes | 5967th | |
| Primes | 52000th | 52225th |
| Proth primes | 194th | 195th |
| Sexy primes (2nd member) | 11267th | |
| Roman numberals | ||
| Base 2 | 100111000000000000012 | 100111001100000000012 |
| Base 3 | 10121101112113 | 10121212011213 |
| Base 4 | 21300000014 | 21303000014 |
| Base 5 | 1304214025 | 1310211445 |
| Base 6 | 214101216 | 214322416 |
| Base 7 | 53006237 | 53126027 |
| Base 8 | 23400018 | 23460018 |
| Base 9 | 11734549 | 11776479 |
| Base 10 | 63897710 | 64204910 |
| Base 11 | 3a708911 | 3a942111 |
| Base 12 | 26994112 | 26b68112 |
| Base 13 | 194ac113 | 19631513 |
| Base 14 | 128c1314 | 129da914 |
| Base 15 | c94d715 | ca38415 |
| Base 16 | 9c00116 | 9cc0116 |