Compare 640489 vs 640493
| Property | 640489 | 640493 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 2691 × 23811 | 71 × 914991 |
| Prime factorization | 269 × 2381 | 7 × 91499 |
| Divisors count | 4 | 4 |
| Divisors | 1, 269, 2381, 640489 | 1, 7, 91499, 640493 |
| Number of properties | 1 | 1 |
| Semiprimes | 137242nd | 137243rd |
| Roman numberals | ||
| Base 2 | 100111000101111010012 | 100111000101111011012 |
| Base 3 | 10121121202113 | 10121121202223 |
| Base 4 | 21301132214 | 21301132314 |
| Base 5 | 1304434245 | 1304434335 |
| Base 6 | 214211216 | 214211256 |
| Base 7 | 53052137 | 53052207 |
| Base 8 | 23427518 | 23427558 |
| Base 9 | 11755249 | 11755289 |
| Base 10 | 64048910 | 64049310 |
| Base 11 | 3a823311 | 3a823711 |
| Base 12 | 26a7a112 | 26a7a512 |
| Base 13 | 1956b513 | 1956b913 |
| Base 14 | 1295b314 | 1295b714 |
| Base 15 | c9b9415 | c9b9815 |
| Base 16 | 9c5e916 | 9c5ed16 |