Compare 128009 vs 128020
| Property | 128009 | 128020 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 5 |
| Prime factorization | 71 × 182871 | 22 × 51 × 371 × 1731 |
| Prime factorization | 7 × 18287 | 2 × 2 × 5 × 37 × 173 |
| Divisors count | 4 | 24 |
| Divisors | 1, 7, 18287, 128009 | 1, 2, 4, 5, 10, 20, 37, 74, 148, 173, 185, 346, 370, 692, 740, 865, 1730, 3460, 6401, 12802, 25604, 32005, 64010, 128020 |
| Number of properties | 1 | 0 |
| Semiprimes | 29597th | |
| Roman numberals | ||
| Base 2 | 111110100000010012 | 111110100000101002 |
| Base 3 | 201111210023 | 201111211113 |
| Base 4 | 1331000214 | 1331001104 |
| Base 5 | 130440145 | 130440405 |
| Base 6 | 24243456 | 24244046 |
| Base 7 | 10421307 | 10421447 |
| Base 8 | 3720118 | 3720248 |
| Base 9 | 2145329 | 2145449 |
| Base 10 | 12800910 | 12802010 |
| Base 11 | 881a211 | 8820211 |
| Base 12 | 620b512 | 6210412 |
| Base 13 | 4635b13 | 4636913 |
| Base 14 | 3491714 | 3492414 |
| Base 15 | 27dde15 | 27dea15 |
| Base 16 | 1f40916 | 1f41416 |