Compare 131980 vs 131991
| Property | 131980 | 131991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 65991 | 31 × 439971 |
| Prime factorization | 2 × 2 × 5 × 6599 | 3 × 43997 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 6599, 13198, 26396, 32995, 65990, 131980 | 1, 3, 43997, 131991 |
| Number of properties | 0 | 1 |
| Semiprimes | 30463rd | |
| Roman numberals | ||
| Base 2 | 1000000011100011002 | 1000000011100101112 |
| Base 3 | 202010010113 | 202010011203 |
| Base 4 | 2000320304 | 2000321134 |
| Base 5 | 132104105 | 132104315 |
| Base 6 | 24550046 | 24550236 |
| Base 7 | 10565327 | 10565467 |
| Base 8 | 4016148 | 4016278 |
| Base 9 | 2210349 | 2210469 |
| Base 10 | 13198010 | 13199110 |
| Base 11 | 9018211 | 9019211 |
| Base 12 | 6446412 | 6447312 |
| Base 13 | 480c413 | 4810213 |
| Base 14 | 3615214 | 3615d14 |
| Base 15 | 2918a15 | 2919615 |
| Base 16 | 2038c16 | 2039716 |