78124999

Properties

Appears in sequences

• Smallest prime p such that 5^n divides p^4 - 1.at n=9A125610
• Smallest odd prime base q such that p^10 divides q^(p-1) - 1, where p = prime(n).at n=2A133860
• a(n) = 8*5^n-1.at n=10A198767
• Prime numbersat n=4566456