270001

Properties

Appears in sequences

• Smallest prime containing n-th cube as substring.at n=30A029949
• Smallest nontrivial extension of n-th cube which is a prime.at n=29A030692
• Positive numbers y such that y^2 is of the form x^2+(x+241)^2 with integer x.at n=14A159565
• Primes of the form 10*n^3 + 1.at n=9A168147
• Smallest prime p which is a concatenation of n^3 and the cubic digits 0, 1, 8.at n=29A174979
• Consider a number of k digits n = d_(k)*10^(k-1) + d_(k-1)*10^(k-2) + ... + d_(2)*10 + d_(1). Sequence lists the numbers n such that n' = Sum_{i=1..k-1}{Sum_{j=1..i}{d_(j)*10^(j-1)}}', where n' is the arithmetic derivative of n (see example below).at n=47A244078
• Prime numbersat n=23643