Compare 990239 vs 990331
| Property | 990239 | 990331 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9902391 | 9903311 |
| Prime factorization | 990239 | 990331 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990239 | 1, 990331 |
| Number of properties | 3 | 3 |
| Isolated primes | 61586th | |
| Lucky primes | 8541st | |
| Primes | 77791st | 77802nd |
| Safe primes | 4289th | |
| Twin primes (2nd member) | 8105th | |
| Roman numberals | ||
| Base 2 | 111100011100000111112 | 111100011100011110112 |
| Base 3 | 12120221001123 | 12120221102213 |
| Base 4 | 33013001334 | 33013013234 |
| Base 5 | 2231414245 | 2231423115 |
| Base 6 | 331202356 | 331205116 |
| Base 7 | 112626657 | 112631567 |
| Base 8 | 36160378 | 36161738 |
| Base 9 | 17683159 | 17684279 |
| Base 10 | 99023910 | 99033110 |
| Base 11 | 616a8811 | 61706111 |
| Base 12 | 3b907b12 | 3b913712 |
| Base 13 | 28895313 | 2889c413 |
| Base 14 | 1bac3514 | 1bac9d14 |
| Base 15 | 14860e15 | 14867115 |
| Base 16 | f1c1f16 | f1c7b16 |