Compare 406981 vs 406991
| Property | 406981 | 406991 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 4069811 | 131 × 313071 |
| Prime factorization | 406981 | 13 × 31307 |
| Divisors count | 2 | 4 |
| Divisors | 1, 406981 | 1, 13, 31307, 406991 |
| Number of properties | 4 | 1 |
| Chen primes | 13855th | |
| Isolated primes | 26644th | |
| Lucky primes | 4112th | |
| Primes | 34371st | |
| Semiprimes | 89062nd | |
| Roman numberals | ||
| Base 2 | 11000110101110001012 | 11000110101110011112 |
| Base 3 | 2022000211013 | 2022000212023 |
| Base 4 | 12031130114 | 12031130334 |
| Base 5 | 1010104115 | 1010104315 |
| Base 6 | 124201016 | 124201156 |
| Base 7 | 33133517 | 33133647 |
| Base 8 | 14327058 | 14327178 |
| Base 9 | 6802419 | 6802529 |
| Base 10 | 40698110 | 40699110 |
| Base 11 | 25885311 | 25886211 |
| Base 12 | 17763112 | 17763b12 |
| Base 13 | 11332313 | 11333013 |
| Base 14 | a846114 | a846b14 |
| Base 15 | 808c115 | 808cb15 |
| Base 16 | 635c516 | 635cf16 |