1023053
domain: N
Appears in sequences
- Smallest number m such that phi(m) is a multiple of n-th primorial number, the product of first n primes.at n=6A066676
- Numbers n such that phi(n)/phi(phi(n)) > phi(m)/phi(phi(m)) for all m < n.at n=9A289125
- Numbers k such that psi(phi(k))/k > psi(phi(m))/m for all m < k, where phi is Euler's totient function (A000010) and psi is the Dedekind psi function (A001615).at n=38A293712