Compare 640997 vs 641007
| Property | 640997 | 641007 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 4 |
| Prime factorization | 71 × 915711 | 33 × 237411 |
| Prime factorization | 7 × 91571 | 3 × 3 × 3 × 23741 |
| Divisors count | 4 | 8 |
| Divisors | 1, 7, 91571, 640997 | 1, 3, 9, 27, 23741, 71223, 213669, 641007 |
| Number of properties | 1 | 0 |
| Semiprimes | 137348th | |
| Roman numberals | ||
| Base 2 | 100111000111111001012 | 100111000111111011112 |
| Base 3 | 10121200211223 | 10121200220003 |
| Base 4 | 21301332114 | 21301332334 |
| Base 5 | 1310024425 | 1310030125 |
| Base 6 | 214233256 | 214233436 |
| Base 7 | 53065407 | 53065537 |
| Base 8 | 23437458 | 23437578 |
| Base 9 | 11762489 | 11762609 |
| Base 10 | 64099710 | 64100710 |
| Base 11 | 3a865511 | 3a866411 |
| Base 12 | 26ab4512 | 26ab5312 |
| Base 13 | 1959b613 | 1959c313 |
| Base 14 | 12985714 | 12986314 |
| Base 15 | c9dd215 | c9ddc15 |
| Base 16 | 9c7e516 | 9c7ef16 |