Compare 28405 vs 28415
| Property | 28405 | 28415 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 51 × 131 × 191 × 231 | 51 × 56831 |
| Prime factorization | 5 × 13 × 19 × 23 | 5 × 5683 |
| Divisors count | 16 | 4 |
| Divisors | 1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 1235, 1495, 2185, 5681, 28405 | 1, 5, 5683, 28415 |
| Number of properties | 0 | 1 |
| Semiprimes | 7087th | |
| Roman numberals | ||
| Base 2 | 1101110111101012 | 1101110111111112 |
| Base 3 | 11022220013 | 11022221023 |
| Base 4 | 123233114 | 123233334 |
| Base 5 | 14021105 | 14021305 |
| Base 6 | 3353016 | 3353156 |
| Base 7 | 1455467 | 1455627 |
| Base 8 | 673658 | 673778 |
| Base 9 | 428619 | 428729 |
| Base 10 | 2840510 | 2841510 |
| Base 11 | 1a38311 | 1a39211 |
| Base 12 | 1453112 | 1453b12 |
| Base 13 | cc1013 | cc1a13 |
| Base 14 | a4cd14 | a4d914 |
| Base 15 | 863a15 | 864515 |
| Base 16 | 6ef516 | 6eff16 |