Compare 641891 vs 642011
| Property | 641891 | 642011 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6418911 | 6420111 |
| Prime factorization | 641891 | 642011 |
| Divisors count | 2 | 2 |
| Divisors | 1, 641891 | 1, 642011 |
| Number of properties | 5 | 4 |
| Additive primes | 20408th | |
| Chen primes | 20430th | |
| Isolated primes | 40924th | |
| Primes | 52215th | 52223rd |
| Sexy primes (1st member) | 11313th | |
| Super primes | 5339th | |
| Twin primes (1st member) | 5647th | |
| Ulam primes | 3828th | |
| Roman numberals | ||
| Base 2 | 100111001011011000112 | 100111001011110110112 |
| Base 3 | 10121211112023 | 10121212000123 |
| Base 4 | 21302312034 | 21302331234 |
| Base 5 | 1310200315 | 1310210215 |
| Base 6 | 214314156 | 214321356 |
| Base 7 | 53122557 | 53125167 |
| Base 8 | 23455438 | 23457338 |
| Base 9 | 11774529 | 11776059 |
| Base 10 | 64189110 | 64201110 |
| Base 11 | 3a929811 | 3a939711 |
| Base 12 | 26b56b12 | 26b64b12 |
| Base 13 | 19622313 | 1962b613 |
| Base 14 | 129cd514 | 129d7d14 |
| Base 15 | ca2cb15 | ca35b15 |
| Base 16 | 9cb6316 | 9cbdb16 |