Compare 6987 vs 6990
| Property | 6987 | 6990 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 3 | 4 |
| Prime factorization | 31 × 171 × 1371 | 21 × 31 × 51 × 2331 |
| Prime factorization | 3 × 17 × 137 | 2 × 3 × 5 × 233 |
| Divisors count | 8 | 16 |
| Divisors | 1, 3, 17, 51, 137, 411, 2329, 6987 | 1, 2, 3, 5, 6, 10, 15, 30, 233, 466, 699, 1165, 1398, 2330, 3495, 6990 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 11011010010112 | 11011010011102 |
| Base 3 | 1001202103 | 1001202203 |
| Base 4 | 12310234 | 12310324 |
| Base 5 | 2104225 | 2104305 |
| Base 6 | 522036 | 522106 |
| Base 7 | 262417 | 262447 |
| Base 8 | 155138 | 155168 |
| Base 9 | 105239 | 105269 |
| Base 10 | 698710 | 699010 |
| Base 11 | 528211 | 528511 |
| Base 12 | 406312 | 406612 |
| Base 13 | 324613 | 324913 |
| Base 14 | 279114 | 279414 |
| Base 15 | 210c15 | 211015 |
| Base 16 | 1b4b16 | 1b4e16 |