Compare 128656 vs 128666
| Property | 128656 | 128666 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 7 | 2 |
| Prime factorization | 24 × 111 × 171 × 431 | 21 × 643331 |
| Prime factorization | 2 × 2 × 2 × 2 × 11 × 17 × 43 | 2 × 64333 |
| Divisors count | 40 | 4 |
| Divisors | 1, 2, 4, 8, 11, 16, 17, 22, 34, 43, 44, 68, 86, 88, 136, 172, 176, 187, 272, 344, 374, 473, 688, 731, 748, 946, 1462, 1496, 1892, 2924, 2992, 3784, 5848, 7568, 8041, 11696, 16082, 32164, 64328, 128656 | 1, 2, 64333, 128666 |
| Number of properties | 0 | 1 |
| Semiprimes | 29742nd | |
| Roman numberals | ||
| Base 2 | 111110110100100002 | 111110110100110102 |
| Base 3 | 201121110013 | 201121111023 |
| Base 4 | 1331221004 | 1331221224 |
| Base 5 | 131041115 | 131041315 |
| Base 6 | 24313446 | 24314026 |
| Base 7 | 10440437 | 10440567 |
| Base 8 | 3732208 | 3732328 |
| Base 9 | 2154319 | 2154429 |
| Base 10 | 12865610 | 12866610 |
| Base 11 | 8873011 | 8873a11 |
| Base 12 | 6255412 | 6256212 |
| Base 13 | 4673813 | 4674513 |
| Base 14 | 34c5a14 | 34c6614 |
| Base 15 | 281c115 | 281cb15 |
| Base 16 | 1f69016 | 1f69a16 |