Compare 640932 vs 640943
| Property | 640932 | 640943 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 31 × 534111 | 6409431 |
| Prime factorization | 2 × 2 × 3 × 53411 | 640943 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 3, 4, 6, 12, 53411, 106822, 160233, 213644, 320466, 640932 | 1, 640943 |
| Number of properties | 0 | 6 |
| Chen primes | 20406th | |
| Isolated primes | 40870th | |
| Primes | 52145th | |
| Safe primes | 3021st | |
| Sexy primes (1st member) | 11299th | |
| Ulam primes | 3822nd | |
| Roman numberals | ||
| Base 2 | 100111000111101001002 | 100111000111101011112 |
| Base 3 | 10121200120203 | 10121200121223 |
| Base 4 | 21301322104 | 21301322334 |
| Base 5 | 1310022125 | 1310022335 |
| Base 6 | 214231406 | 214231556 |
| Base 7 | 53064157 | 53064327 |
| Base 8 | 23436448 | 23436578 |
| Base 9 | 11761669 | 11761789 |
| Base 10 | 64093210 | 64094310 |
| Base 11 | 3a85a611 | 3a860611 |
| Base 12 | 26aab012 | 26aabb12 |
| Base 13 | 19596613 | 19597413 |
| Base 14 | 12980c14 | 12981914 |
| Base 15 | c9d8c15 | c9d9815 |
| Base 16 | 9c7a416 | 9c7af16 |