Compare 661989 vs 661994
| Property | 661989 | 661994 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 2206631 | 21 × 3309971 |
| Prime factorization | 3 × 220663 | 2 × 330997 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 220663, 661989 | 1, 2, 330997, 661994 |
| Number of properties | 1 | 1 |
| Semiprimes | 141649th | 141650th |
| Roman numberals | ||
| Base 2 | 101000011001111001012 | 101000011001111010102 |
| Base 3 | 10201220020103 | 10201220020223 |
| Base 4 | 22012132114 | 22012132224 |
| Base 5 | 1321404245 | 1321404345 |
| Base 6 | 221044336 | 221044426 |
| Base 7 | 54246667 | 54250047 |
| Base 8 | 24147458 | 24147528 |
| Base 9 | 12180639 | 12180689 |
| Base 10 | 66198910 | 66199410 |
| Base 11 | 4123a911 | 41240311 |
| Base 12 | 27b11912 | 27b12212 |
| Base 13 | 1a241313 | 1a241813 |
| Base 14 | 13336d14 | 13337414 |
| Base 15 | d122915 | d122e15 |
| Base 16 | a19e516 | a19ea16 |