Compare 990839 vs 990851
| Property | 990839 | 990851 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 6611 × 14991 | 9908511 |
| Prime factorization | 661 × 1499 | 990851 |
| Divisors count | 4 | 2 |
| Divisors | 1, 661, 1499, 990839 | 1, 990851 |
| Number of properties | 1 | 3 |
| Chen primes | 29721st | |
| Isolated primes | 61624th | |
| Primes | 77837th | |
| Semiprimes | 208203rd | |
| Roman numberals | ||
| Base 2 | 111100011110011101112 | 111100011110100000112 |
| Base 3 | 12121000112023 | 12121000120123 |
| Base 4 | 33013213134 | 33013220034 |
| Base 5 | 2232013245 | 2232014015 |
| Base 6 | 331231156 | 331231356 |
| Base 7 | 112645137 | 112645317 |
| Base 8 | 36171678 | 36172038 |
| Base 9 | 17701529 | 17701659 |
| Base 10 | 99083910 | 99085110 |
| Base 11 | 61748311 | 61749411 |
| Base 12 | 3b949b12 | 3b94ab12 |
| Base 13 | 288cc513 | 28900413 |
| Base 14 | 1bb14314 | 1bb15114 |
| Base 15 | 1488ae15 | 1488bb15 |
| Base 16 | f1e7716 | f1e8316 |