387163

Appears in sequences

• Numbers k such that phi(sigma(phi(k))) = sigma(k).at n=25A066462
• Squarefree numbers k such that alpha(k) = lambda(k), where alpha(k) = LCM of all (p+1) for primes p dividing k, and lambda(k) = A002322(k).at n=27A287514
• Repeated application of the Syracuse map over F_2[x] starting from 1+x^3, m = 1+x^2. Represented as the integers resulting from evaluating the polynomial at 2 over Z.at n=23A368120