Compare 420899 vs 420905
| Property | 420899 | 420905 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 4208991 | 51 × 841811 |
| Prime factorization | 420899 | 5 × 84181 |
| Divisors count | 2 | 4 |
| Divisors | 1, 420899 | 1, 5, 84181, 420905 |
| Number of properties | 3 | 1 |
| Chen primes | 14241st | |
| Isolated primes | 27518th | |
| Primes | 35459th | |
| Semiprimes | 91963rd | |
| Roman numberals | ||
| Base 2 | 11001101100001000112 | 11001101100001010012 |
| Base 3 | 2101011002123 | 2101011010023 |
| Base 4 | 12123002034 | 12123002214 |
| Base 5 | 1014320445 | 1014321105 |
| Base 6 | 130043356 | 130043456 |
| Base 7 | 34020537 | 34020627 |
| Base 8 | 14660438 | 14660518 |
| Base 9 | 7113259 | 7113329 |
| Base 10 | 42089910 | 42090510 |
| Base 11 | 26825611 | 26826111 |
| Base 12 | 1836ab12 | 1836b512 |
| Base 13 | 11976b13 | 11977413 |
| Base 14 | ad56314 | ad56914 |
| Base 15 | 84a9e15 | 84aa515 |
| Base 16 | 66c2316 | 66c2916 |