858239

Properties

Appears in sequences

• Primes of the form 32*k-1 such that 4*k-1, 8*k-1 and 16*k-1 are also primes.at n=15A101798
• Primes of the form 64*k-1 such that 4*k-1, 8*k-1, 16*k-1 and 32*k-1 are also primes.at n=1A101999
• Number of permutations in S_n avoiding 1{bar 5}324 (i.e., every occurrence of 1324 is contained in an occurrence of a 15324).at n=10A137539
• Quatro-safe primes.at n=3A157359
• Smallest k such that 6^^n is not congruent to 6^^(n-1) mod k, where 6^^n denotes the power tower 6^6^...^6 (in which 6 appears n times).at n=10A246494
• Prime numbersat n=68218