50867

Properties

Appears in sequences

• Numbers n such that 43*2^n-1 is prime.at n=9A050547
• Numbers k such that the reversal of sigma*(k) equals the sum of the reversals of the anti-divisors of k, where sigma*(k) is the sum of the anti-divisors of k.at n=18A203616
• Prime p such that p^5 + p^3 + p - 4 and p^5 + p^3 + p + 4 are primes.at n=39A243900
• a(n) is the smallest integer >= a(n-1) such that prime(n)*2^a(n)-1 is a prime number.at n=13A258868
• Consecutive internal states of the linear congruential pseudo-random number generator (171*s + 11213) mod 53125 when started at 1.at n=7A385039
• Prime numbersat n=5210