Prohlížení Acta Polytechnica. 2021, vol. 61, no.3 dle autora "Dvořáková, Ľubomíra"
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Antipalindromic numbers
Autor: Dvořáková, Ľubomíra; Kruml, Stanislav; Ryzák, David
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)Everybody has certainly heard about palindromes: words that stay the same when read backwards. For instance, kayak, radar, or rotor. Mathematicians are interested in palindromic numbers: positive integers whose expansion ...