Compare 990331 vs 991447
| Property | 990331 | 991447 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9903311 | 9914471 |
| Prime factorization | 990331 | 991447 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990331 | 1, 991447 |
| Number of properties | 3 | 5 |
| Emirps | 10980th | |
| Isolated primes | 61662nd | |
| Lucky primes | 8541st | 8549th |
| Primes | 77802nd | 77881st |
| Sexy primes (1st member) | 16271st | |
| Twin primes (2nd member) | 8105th | |
| Roman numberals | ||
| Base 2 | 111100011100011110112 | 111100100000110101112 |
| Base 3 | 12120221102213 | 12121010000213 |
| Base 4 | 33013013234 | 33020031134 |
| Base 5 | 2231423115 | 2232112425 |
| Base 6 | 331205116 | 331300116 |
| Base 7 | 112631567 | 112663427 |
| Base 8 | 36161738 | 36203278 |
| Base 9 | 17684279 | 17710079 |
| Base 10 | 99033110 | 99144710 |
| Base 11 | 61706111 | 61798611 |
| Base 12 | 3b913712 | 3b990712 |
| Base 13 | 2889c413 | 28937213 |
| Base 14 | 1bac9d14 | 1bb45914 |
| Base 15 | 14867115 | 148b6715 |
| Base 16 | f1c7b16 | f20d716 |