42829

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 87.at n=33A020426
• Largest prime dividing Sum_{k=0..n} k! * (n-k)!.at n=24A049413
• 30 'Reverse and Add' steps are needed to reach a palindrome.at n=20A065319
• Primes in which odd positioned digits are composite and even positioned digits are primes. The least significant digit is the taken to be the first digit.at n=26A083821
• Nonpalindromic primes that are the average of the members of emirp pairs.at n=21A178585
• Primes having only {2, 4, 8, 9} as digits.at n=34A386159
• Prime numbersat n=4478