Compare 645085 vs 645089
| Property | 645085 | 645089 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 51 × 72 × 26331 | 1031 × 62631 |
| Prime factorization | 5 × 7 × 7 × 2633 | 103 × 6263 |
| Divisors count | 12 | 4 |
| Divisors | 1, 5, 7, 35, 49, 245, 2633, 13165, 18431, 92155, 129017, 645085 | 1, 103, 6263, 645089 |
| Number of properties | 0 | 1 |
| Semiprimes | 138180th | |
| Roman numberals | ||
| Base 2 | 100111010111110111012 | 100111010111111000012 |
| Base 3 | 10122022200013 | 10122022200123 |
| Base 4 | 21311331314 | 21311332014 |
| Base 5 | 1311203205 | 1311203245 |
| Base 6 | 214543016 | 214543056 |
| Base 7 | 53245007 | 53245047 |
| Base 8 | 23537358 | 23537418 |
| Base 9 | 11828019 | 11828059 |
| Base 10 | 64508510 | 64508910 |
| Base 11 | 40073111 | 40073511 |
| Base 12 | 27139112 | 27139512 |
| Base 13 | 19780c13 | 19781313 |
| Base 14 | 12b13714 | 12b13b14 |
| Base 15 | cb20a15 | cb20e15 |
| Base 16 | 9d7dd16 | 9d7e116 |