Repdigits as products of two Pell or Pell-Lucas Numbers
Acta mathematica Universitatis Comenianae, Tome 88 (2019) no. 2, pp. 247-256
Zafer Siar; Fatih Erduvan; Refik Keskin; Zafer Siar; Fatih Erduvan; Refik Keskin. Repdigits as products of two Pell or Pell-Lucas Numbers. Acta mathematica Universitatis Comenianae, Tome 88 (2019) no. 2, pp. 247-256. http://geodesic.mathdoc.fr/item/AMUC_2019_88_2_a5/
@article{AMUC_2019_88_2_a5,
     author = {Zafer Siar and Fatih Erduvan and Refik Keskin and Zafer Siar and Fatih Erduvan and Refik Keskin},
     title = { Repdigits as products of two {Pell} or {Pell-Lucas} {Numbers}},
     journal = {Acta mathematica Universitatis Comenianae},
     pages = {247--256},
     year = {2019},
     volume = {88},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/AMUC_2019_88_2_a5/}
}
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Voir la notice de l'article provenant de la source Comenius University

In this study, we show that if N=P_{m}P_{n} is a repdigit, then N∈{0,1,2,4,5} and that if N=Q_{m}Q_{n} is a repdigit, then N=4. Moreover, we show that if N=B_{m}B_{n} is a repdigit, then N∈{0,1,6}.