43893

Appears in sequences

• Numbers k such that 12321*2^k + 1 is prime.at n=37A180924
• a(n) is the smallest number which can be represented as the sum of n distinct nonzero fourth powers in exactly 2 ways, or -1 if no such number exists.at n=8A374579
• Odd composites k such that sigma(k) has the same powerful part as k, where sigma is the sum of divisors function.at n=36A386425