Compare 128660 vs 128666
| Property | 128660 | 128666 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 51 × 71 × 9191 | 21 × 643331 |
| Prime factorization | 2 × 2 × 5 × 7 × 919 | 2 × 64333 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 919, 1838, 3676, 4595, 6433, 9190, 12866, 18380, 25732, 32165, 64330, 128660 | 1, 2, 64333, 128666 |
| Number of properties | 0 | 1 |
| Semiprimes | 29742nd | |
| Roman numberals | ||
| Base 2 | 111110110100101002 | 111110110100110102 |
| Base 3 | 201121110123 | 201121111023 |
| Base 4 | 1331221104 | 1331221224 |
| Base 5 | 131041205 | 131041315 |
| Base 6 | 24313526 | 24314026 |
| Base 7 | 10440507 | 10440567 |
| Base 8 | 3732248 | 3732328 |
| Base 9 | 2154359 | 2154429 |
| Base 10 | 12866010 | 12866610 |
| Base 11 | 8873411 | 8873a11 |
| Base 12 | 6255812 | 6256212 |
| Base 13 | 4673c13 | 4674513 |
| Base 14 | 34c6014 | 34c6614 |
| Base 15 | 281c515 | 281cb15 |
| Base 16 | 1f69416 | 1f69a16 |