Compare 668139 vs 668145
| Property | 668139 | 668145 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 2227131 | 31 × 51 × 445431 |
| Prime factorization | 3 × 222713 | 3 × 5 × 44543 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 222713, 668139 | 1, 3, 5, 15, 44543, 133629, 222715, 668145 |
| Number of properties | 1 | 0 |
| Semiprimes | 142900th | |
| Roman numberals | ||
| Base 2 | 101000110001111010112 | 101000110001111100012 |
| Base 3 | 10202211112203 | 10202211120103 |
| Base 4 | 22030132234 | 22030133014 |
| Base 5 | 1323400245 | 1323400405 |
| Base 6 | 221531236 | 221531336 |
| Base 7 | 54516337 | 54516427 |
| Base 8 | 24307538 | 24307618 |
| Base 9 | 12274569 | 12274639 |
| Base 10 | 66813910 | 66814510 |
| Base 11 | 416a8a11 | 416a9511 |
| Base 12 | 2827a312 | 2827a912 |
| Base 13 | 1a516413 | 1a516a13 |
| Base 14 | 1356c314 | 1356c914 |
| Base 15 | d2e7915 | d2e8015 |
| Base 16 | a31eb16 | a31f116 |