Compare 641891 vs 642247
| Property | 641891 | 642247 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6418911 | 6422471 |
| Prime factorization | 641891 | 642247 |
| Divisors count | 2 | 2 |
| Divisors | 1, 641891 | 1, 642247 |
| Number of properties | 5 | 6 |
| Additive primes | 20408th | |
| Isolated primes | 40924th | 40944th |
| Lucky primes | 5999th | |
| Primes | 52215th | 52243rd |
| Sexy primes (1st member) | 11313th | 11321st |
| Sexy primes (2nd member) | 11320th | |
| Sexy prime triplets (2nd member) | 2077th | |
| Ulam primes | 3828th | |
| Roman numberals | ||
| Base 2 | 100111001011011000112 | 100111001100110001112 |
| Base 3 | 10121211112023 | 10121212222213 |
| Base 4 | 21302312034 | 21303030134 |
| Base 5 | 1310200315 | 1310224425 |
| Base 6 | 214314156 | 214332116 |
| Base 7 | 53122557 | 53133047 |
| Base 8 | 23455438 | 23463078 |
| Base 9 | 11774529 | 11778879 |
| Base 10 | 64189110 | 64224710 |
| Base 11 | 3a929811 | 3a959111 |
| Base 12 | 26b56b12 | 26b80712 |
| Base 13 | 19622313 | 19643813 |
| Base 14 | 129cd514 | 12a0ab14 |
| Base 15 | ca2cb15 | ca46715 |
| Base 16 | 9cb6316 | 9ccc716 |