52163

Properties

Appears in sequences

• Least p with exactly n distinct factorial numbers == 1 (mod p).at n=11A049050
• The next smallest pair of numbers is taken so that a(2n-1)/a(2n) converges to Pi.at n=32A057082
• Smallest prime p such that there are n strings of consecutive integers all having products = 1 mod p.at n=10A060427
• Numerators of increasingly better rational approximations to Pi with increasing denominators (3/1, 13/4, 16/5, 19/6, 22/7, 179/57, ...)at n=14A063674
• Primes from merging of 5 successive digits in decimal expansion of Catalan's constant.at n=19A104919
• Prime numbers whose digit reversal is a powerful(1) number (A001694).at n=28A115685
• Middle of 3 consecutive prime numbers such that p1*p2*p3+d1+d2+1=average of twin prime pairs, d1(delta)=p2-p1,d2(delta)=p3-p2.at n=7A153407
• Prime numbers ending in the prime number 163.at n=14A167627
• Primes of the form 2*n^2 + 74*n + 35.at n=20A217500
• Primes p such that both (p^2 + 5)/6 and (p^4 + 5)/6 are prime.at n=35A253925
• Primes p such that (p^2 + 5)/6, (p^4 + 5)/6, and (p^8 + 5)/6 are prime.at n=1A253940
• Primes p such that p+-2 and p+-4 are semiprimes.at n=18A266845
• Primes p such that p+/-2, p+/-4 and p+/-6 are semiprimes.at n=1A266847
• Prime numbersat n=5333