104971

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 8x + 3.at n=26A023292
• Primes p such that p+5==0 (mod phi(p+5)).at n=40A067542
• Primes whose digit reversal is a pentagonal number (A000326).at n=28A115706
• Largest prime < n^4.at n=16A173831
• Primes of the form k^4 - 5.at n=5A182350
• Primes of the form 9n^2 - 5.at n=21A201960
• Number of (n+1)X(1+1) 0..2 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing.at n=10A232849
• Position of the first occurrence of n in A337196, where A337196(x) is the 3-adic valuation of 1+A000265(sigma(x)).at n=8A337197
• Prime numbersat n=10022