Compare 640147 vs 640199
| Property | 640147 | 640199 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 2771 × 23111 | 71 × 914571 |
| Prime factorization | 277 × 2311 | 7 × 91457 |
| Divisors count | 4 | 4 |
| Divisors | 1, 277, 2311, 640147 | 1, 7, 91457, 640199 |
| Number of properties | 1 | 1 |
| Semiprimes | 137172nd | 137184th |
| Roman numberals | ||
| Base 2 | 100111000100100100112 | 100111000100110001112 |
| Base 3 | 10121120100113 | 10121120120023 |
| Base 4 | 21301021034 | 21301030134 |
| Base 5 | 1304410425 | 1304412445 |
| Base 6 | 214153516 | 214155156 |
| Base 7 | 53042147 | 53043207 |
| Base 8 | 23422238 | 23423078 |
| Base 9 | 11751049 | 11751629 |
| Base 10 | 64014710 | 64019910 |
| Base 11 | 3a7a5211 | 3a7a9a11 |
| Base 12 | 26a55712 | 26a59b12 |
| Base 13 | 1954b113 | 19552113 |
| Base 14 | 12940b14 | 12944714 |
| Base 15 | c9a1715 | c9a4e15 |
| Base 16 | 9c49316 | 9c4c716 |