34589

Properties

Appears in sequences

• Primes of the form k^2 - 7.at n=18A028883
• Smallest number requiring n steps to reach 0 when iterating the function: f(n)=abs(lpd(n)-Lpf(n)), where lpd(n) is the largest proper divisor of n and Lpf(n) is the largest prime factor of n.at n=14A074347
• Primes of the form x^2 + (x+3)^2.at n=30A076727
• Primes p2 such that p1^2 + p2^3 is an average of twin primes and p1 < p2 are consecutive primes.at n=35A138716
• Numbers in cycles of RATS sequences.at n=21A161596
• Number of partitions where the number of 1's and 2's are equal.at n=53A174455
• The smaller member prime(i) of an emirp pair (prime(i),prime(j)), such that the digit sum of i equals the digit sum of j.at n=21A178613
• RATS: Reverse Add Then Sort the digits applied to previous term, starting with 29.at n=12A209880
• RATS: Reverse Add Then Sort the digits applied to previous term, starting with 29.at n=30A209880
• Primes q = 4*p+1, where p == 2 (mod 5) is also prime.at n=54A221981
• Lesser twin prime p such that p^2-p-2 is the average of a larger twin prime pair.at n=34A231652
• Primes of the form (p^2 + 9)/2 where p is prime.at n=15A347530
• a(n) = (8*n^3 + 12*n^2 + 4*n - 9)/3.at n=22A358035
• Primes whose decimal digits are in ascending order and also parity alternating.at n=25A382027
• Prime numbersat n=3694