68597

Properties

Appears in sequences

• Smallest prime containing n-th cube as substring.at n=19A029949
• Smallest nontrivial extension of n-th cube which is a prime.at n=18A030692
• Numbers k such that 4^k - 3^k is prime.at n=19A059801
• Concatenation of n^3 and 7.at n=18A061679
• Primes of the form 666*k - 1.at n=31A063472
• Primes of the form 10n^3+7.at n=8A201305
• Primes of the form 7n^2 - 10.at n=5A201855
• Number of compositions of n into distinct parts with exactly three descents.at n=25A241722
• Numbers n such that 4^n + (-3)^n is prime.at n=21A286348
• Prime numbersat n=6820