OFFSET
1,1
EXAMPLE
46=2*23 is semiprime and 64=4^3.
MATHEMATICA
Select[Range[5*10^6], PrimeOmega[#]==2&&IntegerQ[Surd[ IntegerReverse[ #], 3]]&] (* The program uses the IntegerReverse function from Mathematica version 10 *) (* Harvey P. Dale, Jan 18 2016 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Jan 31 2006
STATUS
approved