121116

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 58.at n=11A031736
• Numbers whose sum of digits s equals its product of digits and s + 1 and s - 1 are both prime.at n=21A061597
• Numbers n such that both numbers n/(d_1*d_2* ...*d_k) and n/(d_1+d_2+ ... +d_k) are prime, where d_1 d_2 ... d_k is the decimal expansion of n.at n=5A107650
• Numbers k such that the number of divisors of k equals both the sum and the product of digits of k in base 10.at n=8A113761
• Number of permutations of length n which avoid the patterns 231, 1423, 3214.at n=20A116717
• a(n) = 144*n^2 + 12.at n=29A158546
• Numbers k such that if k is decreased by the sum of its digits and k is decreased by the product of its digits both differences are squares > 0.at n=3A274368
• Numbers that are divisible by the sum of their digits and for which the sum of digits equals the product of digits.at n=27A280355