Compare 406990 vs 406991
| Property | 406990 | 406991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 51 × 406991 | 131 × 313071 |
| Prime factorization | 2 × 5 × 40699 | 13 × 31307 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 5, 10, 40699, 81398, 203495, 406990 | 1, 13, 31307, 406991 |
| Number of properties | 0 | 1 |
| Semiprimes | 89062nd | |
| Roman numberals | ||
| Base 2 | 11000110101110011102 | 11000110101110011112 |
| Base 3 | 2022000212013 | 2022000212023 |
| Base 4 | 12031130324 | 12031130334 |
| Base 5 | 1010104305 | 1010104315 |
| Base 6 | 124201146 | 124201156 |
| Base 7 | 33133637 | 33133647 |
| Base 8 | 14327168 | 14327178 |
| Base 9 | 6802519 | 6802529 |
| Base 10 | 40699010 | 40699110 |
| Base 11 | 25886111 | 25886211 |
| Base 12 | 17763a12 | 17763b12 |
| Base 13 | 11332c13 | 11333013 |
| Base 14 | a846a14 | a846b14 |
| Base 15 | 808ca15 | 808cb15 |
| Base 16 | 635ce16 | 635cf16 |