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math.GM2019
On square numbers of some special forms
Farid Jokar
We show that there are infinitely many square numbers , which are constrocted by putting two square numbers together , that non of them are divisible by . We also investigate…
math.NT2019★ 1 cited
On the differences between Zumkeller and -layered numbers
Farid Jokar
A positive integer is said to be a Zumkeller number if the positive divisors of can be partitioned into two disjoint subsets of equal sum \cite{zumkeller}. In this paper, i…