Compare 220981 vs 221015
| Property | 220981 | 221015 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 1371 × 16131 | 51 × 442031 |
| Prime factorization | 137 × 1613 | 5 × 44203 |
| Divisors count | 4 | 4 |
| Divisors | 1, 137, 1613, 220981 | 1, 5, 44203, 221015 |
| Number of properties | 1 | 1 |
| Semiprimes | 49726th | 49737th |
| Roman numberals | ||
| Base 2 | 1101011111001101012 | 1101011111010101112 |
| Base 3 | 1020200101113 | 1020200112023 |
| Base 4 | 3113303114 | 3113311134 |
| Base 5 | 240324115 | 240330305 |
| Base 6 | 44230216 | 44231156 |
| Base 7 | 16101557 | 16102347 |
| Base 8 | 6574658 | 6575278 |
| Base 9 | 3661149 | 3661529 |
| Base 10 | 22098110 | 22101510 |
| Base 11 | 14103211 | 14106311 |
| Base 12 | a7a7112 | a7a9b12 |
| Base 13 | 7977713 | 797a213 |
| Base 14 | 5a76514 | 5a78b14 |
| Base 15 | 4572115 | 4574515 |
| Base 16 | 35f3516 | 35f5716 |