On 5-tuples of twin practical numbers
Melfi, Giuseppe
Bollettino dell'Unione Matematica Italiana, Tome 2-A (1999), p. 723-734 / Harvested from Biblioteca Digitale Italiana di Matematica
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Un intero positivo m si dice pratico se ogni intero n con 1<n<m può essere espresso come una somma di divisori distinti positivi di m. In questo articolo è affrontato il problema dell'esistenza di infinite cinquine di numeri pratici della forma m-6,m-2,m,m+2,m+6.

Publié le : 1999-10-01
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Melfi, Giuseppe. On $5$-tuples of twin practical numbers. Bollettino dell'Unione Matematica Italiana, Tome 2-A (1999) pp. 723-734. http://gdmltest.u-ga.fr/item/BUMI_1999_8_2B_3_723_0/

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