Compare 640259 vs 640264
Property | 640259 | 640264 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 5 |
Prime factorization | 6402591 | 23 × 1631 × 4911 |
Prime factorization | 640259 | 2 × 2 × 2 × 163 × 491 |
Divisors count | 2 | 16 |
Divisors | 1, 640259 | 1, 2, 4, 8, 163, 326, 491, 652, 982, 1304, 1964, 3928, 80033, 160066, 320132, 640264 |
Number of properties | 4 | 0 |
Chen primes | 20389th | |
Primes | 52099th | |
Sophie germain primes | 5308th | |
Twin primes (1st member) | 5636th | |
Roman numberals | ||
Base 2 | 100111000101000000112 | 100111000101000010002 |
Base 3 | 10121120210223 | 10121120211113 |
Base 4 | 21301100034 | 21301100204 |
Base 5 | 1304420145 | 1304420245 |
Base 6 | 214200556 | 214201046 |
Base 7 | 53044347 | 53044427 |
Base 8 | 23424038 | 23424108 |
Base 9 | 11752389 | 11752449 |
Base 10 | 64025910 | 64026410 |
Base 11 | 3a804411 | 3a804911 |
Base 12 | 26a62b12 | 26a63412 |
Base 13 | 19556913 | 19557113 |
Base 14 | 12948b14 | 12949214 |
Base 15 | c9a8e15 | c9a9415 |
Base 16 | 9c50316 | 9c50816 |