Compare 6990 vs 6999
| Property | 6990 | 6999 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 31 × 51 × 2331 | 31 × 23331 |
| Prime factorization | 2 × 3 × 5 × 233 | 3 × 2333 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 5, 6, 10, 15, 30, 233, 466, 699, 1165, 1398, 2330, 3495, 6990 | 1, 3, 2333, 6999 |
| Number of properties | 0 | 1 |
| Semiprimes | 1867th | |
| Roman numberals | ||
| Base 2 | 11011010011102 | 11011010101112 |
| Base 3 | 1001202203 | 1001210203 |
| Base 4 | 12310324 | 12311134 |
| Base 5 | 2104305 | 2104445 |
| Base 6 | 522106 | 522236 |
| Base 7 | 262447 | 262567 |
| Base 8 | 155168 | 155278 |
| Base 9 | 105269 | 105369 |
| Base 10 | 699010 | 699910 |
| Base 11 | 528511 | 529311 |
| Base 12 | 406612 | 407312 |
| Base 13 | 324913 | 325513 |
| Base 14 | 279414 | 279d14 |
| Base 15 | 211015 | 211915 |
| Base 16 | 1b4e16 | 1b5716 |