61077

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=1A061665
• a(n) = Sum_{i=1..n} prime(n*(i - 1) + i).at n=25A319012
• Numbers k such that k![4] - 64 is prime, where k![4] = A007662(k) = quadruple factorial.at n=24A329175
• a(n) = Sum_{1 <= x_1 <= x_2 <= x_3 <= x_4 <= n} gcd(x_1, x_2, x_3 , x_4, n).at n=32A343518