Compare 990211 vs 990331
| Property | 990211 | 990331 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9902111 | 9903311 |
| Prime factorization | 990211 | 990331 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990211 | 1, 990331 |
| Number of properties | 2 | 3 |
| Isolated primes | 61585th | |
| Lucky primes | 8541st | |
| Primes | 77790th | 77802nd |
| Twin primes (2nd member) | 8105th | |
| Roman numberals | ||
| Base 2 | 111100011100000000112 | 111100011100011110112 |
| Base 3 | 12120220221113 | 12120221102213 |
| Base 4 | 33013000034 | 33013013234 |
| Base 5 | 2231413215 | 2231423115 |
| Base 6 | 331201516 | 331205116 |
| Base 7 | 112626257 | 112631567 |
| Base 8 | 36160038 | 36161738 |
| Base 9 | 17682749 | 17684279 |
| Base 10 | 99021110 | 99033110 |
| Base 11 | 616a6211 | 61706111 |
| Base 12 | 3b905712 | 3b913712 |
| Base 13 | 28893113 | 2889c413 |
| Base 14 | 1bac1514 | 1bac9d14 |
| Base 15 | 1485e115 | 14867115 |
| Base 16 | f1c0316 | f1c7b16 |