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A030635
Numbers with 17 divisors.
28
65536, 43046721, 152587890625, 33232930569601, 45949729863572161, 665416609183179841, 48661191875666868481, 288441413567621167681, 6132610415680998648961, 250246473680347348787521, 727423121747185263828481, 12337511914217166362274241
OFFSET
1,1
COMMENTS
16th powers of primes. The n-th number with p divisors is equal to the n-th prime raised to power p-1, where p is prime. - Omar E. Pol, May 06 2008
LINKS
FORMULA
a(n)=A000040(n)^16. - Omar E. Pol, May 06 2008
a(n) = A179645(n)^2. - R. J. Mathar, May 26 2017
MATHEMATICA
Prime[Range[16]]^16 (* Vladimir Joseph Stephan Orlovsky, May 05 2011 *)
PROG
(PARI) is(n)=isprimepower(n)==16 \\ Charles R Greathouse IV, Jun 19 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved