Compare 640942 vs 640949
Property | 640942 | 640949 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 21 × 3204711 | 6409491 |
Prime factorization | 2 × 320471 | 640949 |
Divisors count | 4 | 2 |
Divisors | 1, 2, 320471, 640942 | 1, 640949 |
Number of properties | 1 | 5 |
Happy primes | 7420th | |
Isolated primes | 40871st | |
Primes | 52146th | |
Semiprimes | 137338th | |
Sexy primes (2nd member) | 11299th | |
Sophie germain primes | 5314th | |
Roman numberals | ||
Base 2 | 100111000111101011102 | 100111000111101101012 |
Base 3 | 10121200121213 | 10121200122123 |
Base 4 | 21301322324 | 21301323114 |
Base 5 | 1310022325 | 1310022445 |
Base 6 | 214231546 | 214232056 |
Base 7 | 53064317 | 53064417 |
Base 8 | 23436568 | 23436658 |
Base 9 | 11761779 | 11761859 |
Base 10 | 64094210 | 64094910 |
Base 11 | 3a860511 | 3a861111 |
Base 12 | 26aaba12 | 26ab0512 |
Base 13 | 19597313 | 19597a13 |
Base 14 | 12981814 | 12982114 |
Base 15 | c9d9715 | c9d9e15 |
Base 16 | 9c7ae16 | 9c7b516 |