75521

Properties

Appears in sequences

• Initial prime in set of 4 consecutive primes with common difference 6.at n=24A033451
• Cototient of 2^n + 1.at n=18A053286
• First term of balanced prime quartets: p(m+1)-p(m) = p(m+2)-p(m+1) = p(m+3)-p(m+2).at n=25A054800
• Primes p such that the differences between the 5 consecutive primes starting with p are (6,6,6,2).at n=3A078968
• Primes p such that p, p+6, p+12, p+18 are consecutive primes and p=6*k+5 for some k.at n=12A090834
• Primes of the form 512n+257.at n=24A105131
• a(n) = 840*n^2 - 23100*n + 86861.at n=27A216257
• Primes p such that p plus the cube of sum of digits of p is a perfect square.at n=24A259418
• The first of three consecutive primes the sum of which is equal to the sum of three consecutive octagonal numbers.at n=1A298313
• Prime numbersat n=7438