29921

Properties

Appears in sequences

• Primes of the form k^2 - 8.at n=38A028886
• Numbers k such that A174141(k) is divisible by k.at n=40A032581
• Primes p from A031924 such that A052180(p) = 23.at n=23A052238
• Numbers n such that 1n1, 3n3, 7n7 and 9n9 are all primes.at n=38A059677
• Primes p such that 1p1, 3p3, 7p7 and 9p9 are all primes.at n=10A059694
• Primes p such that p*(p-1) divides 3^(p-1)-1.at n=28A081763
• Primes from merging of 5 successive digits in decimal expansion of the Euler-Mascheroni Constant.at n=31A104939
• Numbers k such that the fractional part of (Pi-2)^k is greater than 1-(1/k).at n=10A153720
• Primes of the form 10*k^2+14*k+5, k >= 0.at n=27A154412
• Primes that become squares when prefixed with an 8.at n=5A167741
• Primes from merging of 5 successive digits in decimal expansion of Euler-Mascheroni constant.at n=33A198779
• Primes from merging of 6 successive digits in decimal expansion of Euler-Mascheroni constant.at n=16A198780
• Primes from merging of 7 successive digits in decimal expansion of Euler-Mascheroni constant.at n=16A198781
• Primes formed by concatenating palindromes having even number of digits with 1.at n=11A210534
• Number of ordered triples (w,x,y) with all terms in {1,...,n} and w^4<x^4+y^4.at n=35A211652
• Number of typable lambda terms of size n with size 0 for the variables.at n=23A236393
• Primes p such that p^4 + p +/- 1 are twin primes.at n=14A236951
• Numbers m such that the decimal number concat(8,m) is a square.at n=33A273363
• Number of blocks of size >= 6 in all set partitions of n.at n=5A288788
• Primes whose index is divisible by the product of its digits.at n=33A306766