Compare 7987 vs 7991
| Property | 7987 | 7991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 72 × 1631 | 611 × 1311 |
| Prime factorization | 7 × 7 × 163 | 61 × 131 |
| Divisors count | 6 | 4 |
| Divisors | 1, 7, 49, 163, 1141, 7987 | 1, 61, 131, 7991 |
| Number of properties | 0 | 1 |
| Semiprimes | 2127th | |
| Roman numberals | ||
| Base 2 | 11111001100112 | 11111001101112 |
| Base 3 | 1012212113 | 1012212223 |
| Base 4 | 13303034 | 13303134 |
| Base 5 | 2234225 | 2234315 |
| Base 6 | 1005516 | 1005556 |
| Base 7 | 322007 | 322047 |
| Base 8 | 174638 | 174678 |
| Base 9 | 118549 | 118589 |
| Base 10 | 798710 | 799110 |
| Base 11 | 600111 | 600511 |
| Base 12 | 475712 | 475b12 |
| Base 13 | 383513 | 383913 |
| Base 14 | 2ca714 | 2cab14 |
| Base 15 | 257715 | 257b15 |
| Base 16 | 1f3316 | 1f3716 |