Numbers in A384537 that are not prime powers: composite numbers, not being prime powers, that are equal to the concatenation of the primes and exponents in their prime factorizations in some bases.
A384540
Numbers in A384537 that are not prime powers: composite numbers, not being prime powers, that are equal to the concatenation of the primes and exponents in their prime factorizations in some bases.
Terms
- a(0) =4617a(1) =29767a(2) =255987a(3) =395847a(4) =631463a(5) =1332331a(6) =25640947
External references
- oeis: A384540