Compare 640489 vs 640496
| Property | 640489 | 640496 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 5 |
| Prime factorization | 2691 × 23811 | 24 × 400311 |
| Prime factorization | 269 × 2381 | 2 × 2 × 2 × 2 × 40031 |
| Divisors count | 4 | 10 |
| Divisors | 1, 269, 2381, 640489 | 1, 2, 4, 8, 16, 40031, 80062, 160124, 320248, 640496 |
| Number of properties | 1 | 0 |
| Semiprimes | 137242nd | |
| Roman numberals | ||
| Base 2 | 100111000101111010012 | 100111000101111100002 |
| Base 3 | 10121121202113 | 10121121210023 |
| Base 4 | 21301132214 | 21301133004 |
| Base 5 | 1304434245 | 1304434415 |
| Base 6 | 214211216 | 214211326 |
| Base 7 | 53052137 | 53052237 |
| Base 8 | 23427518 | 23427608 |
| Base 9 | 11755249 | 11755329 |
| Base 10 | 64048910 | 64049610 |
| Base 11 | 3a823311 | 3a823a11 |
| Base 12 | 26a7a112 | 26a7a812 |
| Base 13 | 1956b513 | 1956bc13 |
| Base 14 | 1295b314 | 1295ba14 |
| Base 15 | c9b9415 | c9b9b15 |
| Base 16 | 9c5e916 | 9c5f016 |