Compare 990331 vs 990397
| Property | 990331 | 990397 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9903311 | 9903971 |
| Prime factorization | 990331 | 990397 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990331 | 1, 990397 |
| Number of properties | 3 | 5 |
| Additive primes | 29861st | |
| Chen primes | 29715th | |
| Emirps | 10961st | |
| Isolated primes | 61599th | |
| Lucky primes | 8541st | |
| Primes | 77802nd | 77810th |
| Twin primes (2nd member) | 8105th | |
| Roman numberals | ||
| Base 2 | 111100011100011110112 | 111100011100101111012 |
| Base 3 | 12120221102213 | 12120221201013 |
| Base 4 | 33013013234 | 33013023314 |
| Base 5 | 2231423115 | 2231430425 |
| Base 6 | 331205116 | 331211016 |
| Base 7 | 112631567 | 112633127 |
| Base 8 | 36161738 | 36162758 |
| Base 9 | 17684279 | 17685119 |
| Base 10 | 99033110 | 99039710 |
| Base 11 | 61706111 | 61711111 |
| Base 12 | 3b913712 | 3b919112 |
| Base 13 | 2889c413 | 288a4513 |
| Base 14 | 1bac9d14 | 1bad0914 |
| Base 15 | 14867115 | 1486b715 |
| Base 16 | f1c7b16 | f1cbd16 |