Compare 6681 vs 6690
| Property | 6681 | 6690 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 3 | 4 |
| Prime factorization | 31 × 171 × 1311 | 21 × 31 × 51 × 2231 |
| Prime factorization | 3 × 17 × 131 | 2 × 3 × 5 × 223 |
| Divisors count | 8 | 16 |
| Divisors | 1, 3, 17, 51, 131, 393, 2227, 6681 | 1, 2, 3, 5, 6, 10, 15, 30, 223, 446, 669, 1115, 1338, 2230, 3345, 6690 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 11010000110012 | 11010001000102 |
| Base 3 | 1000111103 | 1000112103 |
| Base 4 | 12201214 | 12202024 |
| Base 5 | 2032115 | 2032305 |
| Base 6 | 505336 | 505506 |
| Base 7 | 253237 | 253357 |
| Base 8 | 150318 | 150428 |
| Base 9 | 101439 | 101539 |
| Base 10 | 668110 | 669010 |
| Base 11 | 502411 | 503211 |
| Base 12 | 3a4912 | 3a5612 |
| Base 13 | 306c13 | 307813 |
| Base 14 | 261314 | 261c14 |
| Base 15 | 1ea615 | 1eb015 |
| Base 16 | 1a1916 | 1a2216 |