login
Totient numbers (A002202) k at which x/k reaches a record, where x (A002181) is the smallest integer such that phi(x) = k.
1

%I #11 Feb 14 2026 17:29:50

%S 2,8,128,5888,2037248,387383296

%N Totient numbers (A002202) k at which x/k reaches a record, where x (A002181) is the smallest integer such that phi(x) = k.

%C a(4)-a(6) are all multiples of 2^8*23 = 5888.

%C No more terms < 1.2*10^11.

%Y Cf. A002181, A002202, A393266.

%K nonn,more

%O 1,1

%A _Jud McCranie_, Feb 07 2026