Compare 20384 vs 20389
| Property | 20384 | 20389 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 25 × 72 × 131 | 203891 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 7 × 7 × 13 | 20389 |
| Divisors count | 36 | 2 |
| Divisors | 1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 10192, 20384 | 1, 20389 |
| Number of properties | 0 | 5 |
| Cousin primes (1st member) | 351st | |
| Isolated primes | 1612th | |
| Primes | 2303rd | |
| Pythagorean primes | 1148th | |
| Ulam primes | 168th | |
| Roman numberals | ||
| Base 2 | 1001111101000002 | 1001111101001012 |
| Base 3 | 10002212223 | 10002220113 |
| Base 4 | 103322004 | 103322114 |
| Base 5 | 11230145 | 11230245 |
| Base 6 | 2342126 | 2342216 |
| Base 7 | 1133007 | 1133057 |
| Base 8 | 476408 | 476458 |
| Base 9 | 308589 | 308649 |
| Base 10 | 2038410 | 2038910 |
| Base 11 | 1435111 | 1435611 |
| Base 12 | b96812 | b97112 |
| Base 13 | 938013 | 938513 |
| Base 14 | 760014 | 760514 |
| Base 15 | 608e15 | 609415 |
| Base 16 | 4fa016 | 4fa516 |