390581

Properties

Appears in sequences

• a(2n) and a(2n+1) are side lengths of a Beentjes sequence of perfect squared rectangles, starting with a 32 X 33 rectangle.at n=7A067010
• Largest prime <= 5^n.at n=7A104090
• Irregular primeth recurrence: a(n+1) = a(n)-th irregular prime.at n=4A105464
• prime(k) for those k where floor((2*(prime(k+1)-prime(k))*PrimePi(k) mod (8*k))/k) = m with m = 14.at n=30A109568
• Triangle read by rows n>=0: the largest prime <= m^n+2 in columns m=3..n+3.at n=38A118132
• Largest prime < n^4.at n=23A173831
• Primes p such that q - p = 66, where q is the next prime after p.at n=12A225811
• Prime numbersat n=33118