Compare 128980 vs 128989
| Property | 128980 | 128989 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 64491 | 71 × 184271 |
| Prime factorization | 2 × 2 × 5 × 6449 | 7 × 18427 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 6449, 12898, 25796, 32245, 64490, 128980 | 1, 7, 18427, 128989 |
| Number of properties | 0 | 1 |
| Semiprimes | 29809th | |
| Roman numberals | ||
| Base 2 | 111110111110101002 | 111110111110111012 |
| Base 3 | 201122210013 | 201122211013 |
| Base 4 | 1331331104 | 1331331314 |
| Base 5 | 131114105 | 131114245 |
| Base 6 | 24330446 | 24331016 |
| Base 7 | 10450157 | 10450307 |
| Base 8 | 3737248 | 3737358 |
| Base 9 | 2158319 | 2158419 |
| Base 10 | 12898010 | 12898910 |
| Base 11 | 889a511 | 88a0311 |
| Base 12 | 6278412 | 6279112 |
| Base 13 | 4692713 | 4693313 |
| Base 14 | 3500c14 | 3501714 |
| Base 15 | 2833a15 | 2834415 |
| Base 16 | 1f7d416 | 1f7dd16 |