48859

Properties

Appears in sequences

• 30 'Reverse and Add' steps are needed to reach a palindrome.at n=29A065319
• Primes with digit sum = 34.at n=32A106769
• Numbers k such that (20^k - 1)/19 is prime.at n=5A127995
• a(n) = floor( Product_{i=1..n} prime(i)/i ).at n=13A135568
• Primes p such that p-1 is squarefree and all prime divisors of p-1 other than 17 are also in the sequence.at n=14A267506
• Number of nX5 0..1 arrays with every element equal to 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=10A300369
• Primes having only {4, 5, 8, 9} as digits.at n=27A386192
• Prime numbersat n=5025