Compare 40640 vs 40646
| Property | 40640 | 40646 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 8 | 2 |
| Prime factorization | 26 × 51 × 1271 | 21 × 203231 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 5 × 127 | 2 × 20323 |
| 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, 2, 20323, 40646 |
| Number of properties | 0 | 1 |
| Semiprimes | 9944th | |
| Roman numberals | ||
| Base 2 | 10011110110000002 | 10011110110001102 |
| Base 3 | 20012020123 | 20012021023 |
| Base 4 | 213230004 | 213230124 |
| Base 5 | 23000305 | 23000415 |
| Base 6 | 5120526 | 5121026 |
| Base 7 | 2263257 | 2263347 |
| Base 8 | 1173008 | 1173068 |
| Base 9 | 616659 | 616729 |
| Base 10 | 4064010 | 4064610 |
| Base 11 | 2859611 | 285a111 |
| Base 12 | 1b62812 | 1b63212 |
| Base 13 | 1566213 | 1566813 |
| Base 14 | 10b4c14 | 10b5414 |
| Base 15 | c09515 | c09b15 |
| Base 16 | 9ec016 | 9ec616 |