50155733

Appears in sequences

• Numbers k (between 2^(m-1) and 2^m) such that 2^(k-1) == 1 (mod k) and 2^(k-1-m) == k - 2^p (mod k) for some p > 0 with 2^p < k.at n=45A167612
• Increasing gaps between 2-pseudoprimes (upper end).at n=29A175737