8 lines
211 B
Ruby
8 lines
211 B
Ruby
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def factorion?(n, base)
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n.digits(base).sum{|digit| (1..digit).inject(1, :*)} == n
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end
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(9..12).each do |base|
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puts "Base #{base} factorions: #{(1..1_500_000).select{|n| factorion?(n, base)}.join(" ")} "
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end
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