Compare 640489 vs 640534
| Property | 640489 | 640534 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 2691 × 23811 | 21 × 3202671 |
| Prime factorization | 269 × 2381 | 2 × 320267 |
| Divisors count | 4 | 4 |
| Divisors | 1, 269, 2381, 640489 | 1, 2, 320267, 640534 |
| Number of properties | 1 | 1 |
| Semiprimes | 137242nd | 137250th |
| Roman numberals | ||
| Base 2 | 100111000101111010012 | 100111000110000101102 |
| Base 3 | 10121121202113 | 10121121221113 |
| Base 4 | 21301132214 | 21301201124 |
| Base 5 | 1304434245 | 1304441145 |
| Base 6 | 214211216 | 214212346 |
| Base 7 | 53052137 | 53053067 |
| Base 8 | 23427518 | 23430268 |
| Base 9 | 11755249 | 11755749 |
| Base 10 | 64048910 | 64053410 |
| Base 11 | 3a823311 | 3a827411 |
| Base 12 | 26a7a112 | 26a81a12 |
| Base 13 | 1956b513 | 19571b13 |
| Base 14 | 1295b314 | 12960614 |
| Base 15 | c9b9415 | c9bc415 |
| Base 16 | 9c5e916 | 9c61616 |