20174525280
domain: N
Appears in sequences
- Largest number k such that the reduced totient function psi(k) = A002174(n).at n=29A143407
- Numbers k >= 3 where a record value of log(phi(k))/log(lambda(k)) is reached, where phi is the Euler totient function (A000010) and lambda is the Carmichael lambda function (A002322).at n=21A328272
- Records in A006863.at n=9A335128