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A217531 Numbers n such that sum of cubes of digits of n equals the sum of prime divisors of n. 1
142, 402, 5505, 6127, 7305, 12643, 13550, 21033, 21452, 22244, 22290, 22532, 24030, 24936, 25612, 28132, 32040, 35125, 35296, 43053, 47835, 51404, 51703, 52324, 55869, 66003, 69060, 80125, 82464, 86833, 101061, 102240, 103039, 104647, 110334, 110616, 111153 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
n such that A055012 (n) = A008472(n).
LINKS
EXAMPLE
402 = 2*3*67 is in the sequence because 4^3 + 0^3 + 2^3 = 2 + 3 + 67 = 72.
MATHEMATICA
Rest[Select[Range[20000], Total[Transpose[FactorInteger[#]][[1]]]==Total[IntegerDigits[#]^3]&]]
CROSSREFS
Sequence in context: A202279 A035702 A172335 * A158135 A092230 A259422
KEYWORD
nonn,easy,base
AUTHOR
Michel Lagneau, Oct 05 2012
STATUS
approved

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Last modified April 20 12:36 EDT 2024. Contains 371844 sequences. (Running on oeis4.)