Compare 990311 vs 990313
| Property | 990311 | 990313 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 231 × 61511 | 9903131 |
| Prime factorization | 7 × 23 × 6151 | 990313 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 23, 161, 6151, 43057, 141473, 990311 | 1, 990313 |
| Number of properties | 0 | 4 |
| Isolated primes | 61592nd | |
| Lucky primes | 8540th | |
| Primes | 77799th | |
| Sexy primes (2nd member) | 16245th | |
| Roman numberals | ||
| Base 2 | 111100011100011001112 | 111100011100011010012 |
| Base 3 | 12120221100123 | 12120221100213 |
| Base 4 | 33013012134 | 33013012214 |
| Base 5 | 2231422215 | 2231422235 |
| Base 6 | 331204356 | 331204416 |
| Base 7 | 112631307 | 112631327 |
| Base 8 | 36161478 | 36161518 |
| Base 9 | 17684059 | 17684079 |
| Base 10 | 99031110 | 99031310 |
| Base 11 | 61704311 | 61704511 |
| Base 12 | 3b911b12 | 3b912112 |
| Base 13 | 2889aa13 | 2889ac13 |
| Base 14 | 1bac8714 | 1bac8914 |
| Base 15 | 14865b15 | 14865d15 |
| Base 16 | f1c6716 | f1c6916 |