4194389

Properties

Appears in sequences

• a(n) is the smallest k > 2^n such that 2^(k-1) == 1 (mod (2^n-1)*k).at n=21A307512
• Least number that is the lesser of two consecutive primes p and q whose binary expansions have the same length and agree at exactly n digit positions, or -1 if no such prime pair exists.at n=21A374402
• Prime numbersat n=295952