Compare 640145 vs 640147
Property | 640145 | 640147 |
---|---|---|
Type | composite number | semiprime |
Unique factors | 4 | 2 |
Total factors | 4 | 2 |
Prime factorization | 51 × 111 × 1031 × 1131 | 2771 × 23111 |
Prime factorization | 5 × 11 × 103 × 113 | 277 × 2311 |
Divisors count | 16 | 4 |
Divisors | 1, 5, 11, 55, 103, 113, 515, 565, 1133, 1243, 5665, 6215, 11639, 58195, 128029, 640145 | 1, 277, 2311, 640147 |
Number of properties | 0 | 1 |
Semiprimes | 137172nd | |
Roman numberals | ||
Base 2 | 100111000100100100012 | 100111000100100100112 |
Base 3 | 10121120100023 | 10121120100113 |
Base 4 | 21301021014 | 21301021034 |
Base 5 | 1304410405 | 1304410425 |
Base 6 | 214153456 | 214153516 |
Base 7 | 53042127 | 53042147 |
Base 8 | 23422218 | 23422238 |
Base 9 | 11751029 | 11751049 |
Base 10 | 64014510 | 64014710 |
Base 11 | 3a7a5011 | 3a7a5211 |
Base 12 | 26a55512 | 26a55712 |
Base 13 | 1954ac13 | 1954b113 |
Base 14 | 12940914 | 12940b14 |
Base 15 | c9a1515 | c9a1715 |
Base 16 | 9c49116 | 9c49316 |