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On property of least common multiple to be a -magic number
V L Gavrikov
Least common multiple () has been shown to posses the property of -magic number, that is, its least significant digit does not change when the number is transferred int…
Sequences of odd numbers, even numbers and integer squares: gaps in frequency distributions of unit's digits of minor totals
Vladimir L. Gavrikov
In the paper, I consider appearance of unit's digits in minor totals of a few integer sequences. The sequences include the sequence of even integers, sequence of odd integers and F…
Use of difference tables at studying of properties of binomial coefficients
Vladimir L. Gavrikov
Some properties of diagonal binomial coefficients were studied in respect to frequency of their units digits. An approach was formulated that led to use of difference tables to pre…
Some features of natural sequence totals in various numeral systems
Vladimir L. Gavrikov
Minor totals of natural sequence were shown to possess some properties in respect to their units digits. Depending on numeral system applied the units digits may take any digit of…