Compare 399998 vs 400021
| Property | 399998 | 400021 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 1999991 | 3071 × 13031 |
| Prime factorization | 2 × 199999 | 307 × 1303 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 199999, 399998 | 1, 307, 1303, 400021 |
| Number of properties | 1 | 1 |
| Semiprimes | 87553rd | 87561st |
| Roman numberals | ||
| Base 2 | 11000011010011111102 | 11000011010100101012 |
| Base 3 | 2020222002023 | 2020222011213 |
| Base 4 | 12012213324 | 12012221114 |
| Base 5 | 1002444435 | 1003000415 |
| Base 6 | 123235026 | 123235416 |
| Base 7 | 32541147 | 32541467 |
| Base 8 | 14151768 | 14152258 |
| Base 9 | 6686229 | 6686479 |
| Base 10 | 39999810 | 40002110 |
| Base 11 | 25358511 | 2535a611 |
| Base 12 | 17359212 | 1735b112 |
| Base 13 | 1100b113 | 1100cb13 |
| Base 14 | a5ab414 | a5acd14 |
| Base 15 | 7d7b815 | 7d7d115 |
| Base 16 | 61a7e16 | 61a9516 |