Compare 128821 vs 128829
| Property | 128821 | 128829 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 72 × 111 × 2391 | 31 × 429431 |
| Prime factorization | 7 × 7 × 11 × 239 | 3 × 42943 |
| Divisors count | 12 | 4 |
| Divisors | 1, 7, 11, 49, 77, 239, 539, 1673, 2629, 11711, 18403, 128821 | 1, 3, 42943, 128829 |
| Number of properties | 0 | 1 |
| Semiprimes | 29778th | |
| Roman numberals | ||
| Base 2 | 111110111001101012 | 111110111001111012 |
| Base 3 | 201122010113 | 201122011103 |
| Base 4 | 1331303114 | 1331303314 |
| Base 5 | 131102415 | 131103045 |
| Base 6 | 24322216 | 24322336 |
| Base 7 | 10444007 | 10444117 |
| Base 8 | 3734658 | 3734758 |
| Base 9 | 2156349 | 2156439 |
| Base 10 | 12882110 | 12882910 |
| Base 11 | 8887011 | 8887811 |
| Base 12 | 6267112 | 6267912 |
| Base 13 | 4683413 | 4683c13 |
| Base 14 | 34d3714 | 34d4114 |
| Base 15 | 2828115 | 2828915 |
| Base 16 | 1f73516 | 1f73d16 |