652969351

Appears in sequences

• Carmichael numbers congruent to 3 modulo 4.at n=13A185321
• Numbers of the form 4k+3 (A004767) that are Lucas pseudoprimes and Fermat pseudoprimes to base 2 (intersection of A005845 and A001567).at n=16A227905
• Carmichael numbers that are not of the form x^2 + y^2 + z^2 where x, y and z are integers.at n=9A267462
• Odd composite numbers k such that A111076(k)^((k-1)/2) == -1 (mod k).at n=10A329538
• Carmichael numbers with exactly 3 prime factors, p*q*r, such that p-1, q-1 and r-1 have an equal 2-adic valuation.at n=26A382791