Compare 420989 vs 421007
| Property | 420989 | 421007 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 1971 × 21371 | 1671 × 25211 |
| Prime factorization | 197 × 2137 | 167 × 2521 |
| Divisors count | 4 | 4 |
| Divisors | 1, 197, 2137, 420989 | 1, 167, 2521, 421007 |
| Number of properties | 1 | 1 |
| Semiprimes | 91983rd | 91988th |
| Roman numberals | ||
| Base 2 | 11001101100011111012 | 11001101100100011112 |
| Base 3 | 2101011110123 | 2101011112123 |
| Base 4 | 12123013314 | 12123020334 |
| Base 5 | 1014324245 | 1014330125 |
| Base 6 | 130050056 | 130050356 |
| Base 7 | 34022427 | 34022667 |
| Base 8 | 14661758 | 14662178 |
| Base 9 | 7114359 | 7114559 |
| Base 10 | 42098910 | 42100710 |
| Base 11 | 26832811 | 26834411 |
| Base 12 | 18376512 | 18377b12 |
| Base 13 | 11980a13 | 11982213 |
| Base 14 | ad5c914 | ad5dd14 |
| Base 15 | 84b0e15 | 84b2215 |
| Base 16 | 66c7d16 | 66c8f16 |