Compare 40640 vs 40649
| Property | 40640 | 40649 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 8 | 2 |
| Prime factorization | 26 × 51 × 1271 | 71 × 58071 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 5 × 127 | 7 × 5807 |
| Divisors count | 28 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 20320, 40640 | 1, 7, 5807, 40649 |
| Number of properties | 0 | 1 |
| Semiprimes | 9945th | |
| Roman numberals | ||
| Base 2 | 10011110110000002 | 10011110110010012 |
| Base 3 | 20012020123 | 20012021123 |
| Base 4 | 213230004 | 213230214 |
| Base 5 | 23000305 | 23000445 |
| Base 6 | 5120526 | 5121056 |
| Base 7 | 2263257 | 2263407 |
| Base 8 | 1173008 | 1173118 |
| Base 9 | 616659 | 616759 |
| Base 10 | 4064010 | 4064910 |
| Base 11 | 2859611 | 285a411 |
| Base 12 | 1b62812 | 1b63512 |
| Base 13 | 1566213 | 1566b13 |
| Base 14 | 10b4c14 | 10b5714 |
| Base 15 | c09515 | c09e15 |
| Base 16 | 9ec016 | 9ec916 |