About: Factorion

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Integer which equals the sum of the factorials of its decimal digits

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dbo:description
  • In der Zahlentheorie eine natürliche Zahl n , welche der Summe der Fakultät ihrer Stellen gleicht. (de)
  • integer which equals the sum of the factorials of its decimal digits (en)
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  • hidden (en)
dbp:proof
  • Let the digits of be , and . Then : :: :: :: :: :: Thus is a factorion for for all . (en)
  • Let the digits of be , and . Then : :: :: :: :: Thus is a factorion for for all . (en)
  • Let the digits of be , and Then : :: :: :: :: Thus is a factorion for for all . (en)
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  • Proof (en)
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gold:hypernym
rdfs:label
  • Factorion (en)
  • Factorió (ca)
  • Faktorion (de)
  • Fattorione (it)
  • Factorion (fr)
  • ファクトリオン (ja)
  • Faculteitconform getal (nl)
  • Факторион (ru)
  • Факторіон (uk)
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