53093

Properties

Appears in sequences

• Engel expansion of Pi^2/6, or zeta(2) = 1.64493.at n=13A059186
• A proximate-prime polynomial sequence generated by 2*n^2 - 2*n + 53089.at n=1A155557
• a(n) = round(3*(4/3)^n).at n=34A227391
• Primes that are round(3*(4/3)^k) for some k.at n=7A227531
• Primes p such that 6p - 1 and 6p + 1 are twin primes and ((6p-1)^2 + (6p+1)^2) / 10 is prime.at n=32A283957
• Prime p1 of consecutive primes p1, p2, where p2 - p1 = 8, and p1, p2 are in different centuries.at n=36A287049
• Primes p such that if q and r are the next two primes, 6*q-r, 6*q-p, 6*q+p and 6*q+r are all prime.at n=19A351636
• Primes that do not divide any 3-Carmichael numbers.at n=40A369777
• Prime numbersat n=5417