Compare 661989 vs 662001
| Property | 661989 | 662001 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 2206631 | 31 × 2206671 |
| Prime factorization | 3 × 220663 | 3 × 220667 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 220663, 661989 | 1, 3, 220667, 662001 |
| Number of properties | 1 | 1 |
| Semiprimes | 141649th | 141652nd |
| Roman numberals | ||
| Base 2 | 101000011001111001012 | 101000011001111100012 |
| Base 3 | 10201220020103 | 10201220021203 |
| Base 4 | 22012132114 | 22012133014 |
| Base 5 | 1321404245 | 1321410015 |
| Base 6 | 221044336 | 221044536 |
| Base 7 | 54246667 | 54250147 |
| Base 8 | 24147458 | 24147618 |
| Base 9 | 12180639 | 12180769 |
| Base 10 | 66198910 | 66200110 |
| Base 11 | 4123a911 | 41240a11 |
| Base 12 | 27b11912 | 27b12912 |
| Base 13 | 1a241313 | 1a242213 |
| Base 14 | 13336d14 | 13337b14 |
| Base 15 | d122915 | d123615 |
| Base 16 | a19e516 | a19f116 |