Compare 30989 vs 30991
| Property | 30989 | 30991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 71 × 191 × 2331 | 171 × 18231 |
| Prime factorization | 7 × 19 × 233 | 17 × 1823 |
| Divisors count | 8 | 4 |
| Divisors | 1, 7, 19, 133, 233, 1631, 4427, 30989 | 1, 17, 1823, 30991 |
| Number of properties | 0 | 1 |
| Semiprimes | 7701st | |
| Roman numberals | ||
| Base 2 | 1111001000011012 | 1111001000011112 |
| Base 3 | 11201112023 | 11201112113 |
| Base 4 | 132100314 | 132100334 |
| Base 5 | 14424245 | 14424315 |
| Base 6 | 3552456 | 3552516 |
| Base 7 | 1562307 | 1562327 |
| Base 8 | 744158 | 744178 |
| Base 9 | 464529 | 464549 |
| Base 10 | 3098910 | 3099110 |
| Base 11 | 2131211 | 2131411 |
| Base 12 | 15b2512 | 15b2712 |
| Base 13 | 1114a13 | 1114c13 |
| Base 14 | b41714 | b41914 |
| Base 15 | 92ae15 | 92b115 |
| Base 16 | 790d16 | 790f16 |