Compare 666133 vs 666145
| Property | 666133 | 666145 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 131 × 512411 | 51 × 172 × 4611 |
| Prime factorization | 13 × 51241 | 5 × 17 × 17 × 461 |
| Divisors count | 4 | 12 |
| Divisors | 1, 13, 51241, 666133 | 1, 5, 17, 85, 289, 461, 1445, 2305, 7837, 39185, 133229, 666145 |
| Number of properties | 1 | 0 |
| Semiprimes | 142483rd | |
| Roman numberals | ||
| Base 2 | 101000101010000101012 | 101000101010001000012 |
| Base 3 | 10202112021213 | 10202112100013 |
| Base 4 | 22022201114 | 22022202014 |
| Base 5 | 1323040135 | 1323040405 |
| Base 6 | 221355416 | 221400016 |
| Base 7 | 54430367 | 54430547 |
| Base 8 | 24250258 | 24250418 |
| Base 9 | 12246779 | 12247019 |
| Base 10 | 66613310 | 66614510 |
| Base 11 | 41552611 | 41553711 |
| Base 12 | 2815b112 | 28160112 |
| Base 13 | 1a428013 | 1a428c13 |
| Base 14 | 134a8d14 | 134a9b14 |
| Base 15 | d258d15 | d259a15 |
| Base 16 | a2a1516 | a2a2116 |