Compare 639949 vs 641131
| Property | 639949 | 641131 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6399491 | 6411311 |
| Prime factorization | 639949 | 641131 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639949 | 1, 641131 |
| Number of properties | 3 | 3 |
| Isolated primes | 40810th | |
| Primes | 52071st | 52160th |
| Twin primes (2nd member) | 5639th | |
| Ulam primes | 3816th | 3824th |
| Roman numberals | ||
| Base 2 | 100111000011110011012 | 100111001000011010112 |
| Base 3 | 10121112112113 | 10121201101213 |
| Base 4 | 21300330314 | 21302012234 |
| Base 5 | 1304342445 | 1310040115 |
| Base 6 | 214144216 | 214241116 |
| Base 7 | 53035127 | 53101217 |
| Base 8 | 23417158 | 23441538 |
| Base 9 | 11747549 | 11764179 |
| Base 10 | 63994910 | 64113110 |
| Base 11 | 3a789211 | 3a876711 |
| Base 12 | 26a41112 | 26b03712 |
| Base 13 | 19538b13 | 195a8a13 |
| Base 14 | 12930914 | 12991114 |
| Base 15 | c993415 | c9e7115 |
| Base 16 | 9c3cd16 | 9c86b16 |