292226

Appears in sequences

• Numbers n whose digits in their prime factorization are the same as those of the prime factorization of n+1.at n=6A061665
• a(n) = (conjectured) smallest positive integer k which is neither of the form p + n^x nor of the form p - n^x with x >= 0 and p prime, where gcd(k, n) = 1 and gcd(k^2-1, n-1) = 1.at n=33A283619