137191

Properties

Appears in sequences

• Smallest prime obtained as a concatenation of prime(n) and prime(m) with m > n.at n=32A113893
• Primes of the form 7n^2 - 9.at n=29A201854
• Number of primitive (=aperiodic) 7-ary words with length less than or equal to n which are earlier in lexicographic order than any other word derived by cyclic shifts of the alphabet.at n=6A320091
• Number of primitive (=aperiodic) n-ary words with length less than or equal to n which are earlier in lexicographic order than any other word derived by cyclic shifts of the alphabet.at n=6A320095
• Smallest prime obtained by concatenating a permutation of the divisors of A390451(n).at n=29A390484
• Prime numbersat n=12774