Compare 645406 vs 645413
| Property | 645406 | 645413 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 3131 × 10311 | 5411 × 11931 |
| Prime factorization | 2 × 313 × 1031 | 541 × 1193 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 313, 626, 1031, 2062, 322703, 645406 | 1, 541, 1193, 645413 |
| Number of properties | 0 | 1 |
| Semiprimes | 138252nd | |
| Roman numberals | ||
| Base 2 | 100111011001000111102 | 100111011001001001012 |
| Base 3 | 10122100222213 | 10122101000123 |
| Base 4 | 21312101324 | 21312102114 |
| Base 5 | 1311231115 | 1311231235 |
| Base 6 | 214555546 | 215000056 |
| Base 7 | 53254367 | 53254467 |
| Base 8 | 23544368 | 23544458 |
| Base 9 | 11832879 | 11833059 |
| Base 10 | 64540610 | 64541310 |
| Base 11 | 4009a311 | 4009aa11 |
| Base 12 | 2715ba12 | 27160512 |
| Base 13 | 1979c813 | 197a0213 |
| Base 14 | 12b2c614 | 12b2cd14 |
| Base 15 | cb37115 | cb37815 |
| Base 16 | 9d91e16 | 9d92516 |