Compare 990331 vs 990511
| Property | 990331 | 990511 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9903311 | 9905111 |
| Prime factorization | 990331 | 990511 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990331 | 1, 990511 |
| Number of properties | 3 | 4 |
| Emirps | 10962nd | |
| Isolated primes | 61605th | |
| Lucky primes | 8541st | 8543rd |
| Primes | 77802nd | 77816th |
| Twin primes (2nd member) | 8105th | |
| Roman numberals | ||
| Base 2 | 111100011100011110112 | 111100011101001011112 |
| Base 3 | 12120221102213 | 12120222011213 |
| Base 4 | 33013013234 | 33013102334 |
| Base 5 | 2231423115 | 2231440215 |
| Base 6 | 331205116 | 331214116 |
| Base 7 | 112631567 | 112635347 |
| Base 8 | 36161738 | 36164578 |
| Base 9 | 17684279 | 17686479 |
| Base 10 | 99033110 | 99051110 |
| Base 11 | 61706111 | 61720511 |
| Base 12 | 3b913712 | 3b926712 |
| Base 13 | 2889c413 | 288b0213 |
| Base 14 | 1bac9d14 | 1bad8b14 |
| Base 15 | 14867115 | 14874115 |
| Base 16 | f1c7b16 | f1d2f16 |