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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">cheb</journal-id><journal-title-group><journal-title xml:lang="ru">Чебышевский сборник</journal-title><trans-title-group xml:lang="en"><trans-title>Chebyshevskii Sbornik</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-8383</issn><publisher><publisher-name>Tula State Lev Tolstoy  Pedagogical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22405/2226-8383-2023-24-4-341-344</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-1610</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Краткие сообщения</subject></subj-group></article-categories><title-group><article-title>Коэффициент и арифметическая сложность объединения 𝑛!</article-title><trans-title-group xml:lang="en"><trans-title>Factor and arithmetic complexity of concatenating the 𝑛!</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дуаа</surname><given-names>Абдулла</given-names></name><name name-style="western" xml:lang="en"><surname>Duaa</surname><given-names>Abdullah</given-names></name></name-alternatives><email xlink:type="simple">duaa1992abdullah@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Махди</surname><given-names>Мейсами</given-names></name><name name-style="western" xml:lang="en"><surname>Mahdi</surname><given-names>Meisami</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский физико-технический институт</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Institute of Physics and Technology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Университет Исфахана</institution><country>Иран</country></aff><aff xml:lang="en"><institution>University of Isfahan</institution><country>Islamic Republic of Iran</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>25</day><month>01</month><year>2024</year></pub-date><volume>24</volume><issue>4</issue><fpage>341</fpage><lpage>344</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дуаа А., Махди М., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Дуаа А., Махди М.</copyright-holder><copyright-holder xml:lang="en">Duaa A., Mahdi M.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.chebsbornik.ru/jour/article/view/1610">https://www.chebsbornik.ru/jour/article/view/1610</self-uri><abstract><p>В этой статье мы покажем, что факторная сложность бесконечного слова F_𝑏 определяемая путем объединения базовых 𝑏 представлений 𝑛! полна. Затем мы покажем, что арифметическая сложность этого слова также является полной. С другой стороны, F_𝑏 это дизъюнктивное слово. В теории чисел такой вид слов называется богатыми цифрами.</p></abstract><trans-abstract xml:lang="en"><p>In this paper, we show that factor complexity of the infinite word F𝑏 is defined by concatenating base-𝑏 representations of the 𝑛! is full. Then we show that the arithmetic complexity of this word is full as well. On the other hand, F𝑏 is a disjunctive word. In number theory, this kind of words is called rich numbers.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>факторная сложность</kwd><kwd>равнораспределенная по модулю 1</kwd><kwd>критерий Вейля</kwd><kwd>цифровые задачи</kwd><kwd>факториалы.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>factor complexity</kwd><kwd>equidistributed modulo 1</kwd><kwd>Weyl’s criterion</kwd><kwd>digital problems</kwd><kwd>factorials.</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">S.V. Avgustinovich, D.G. Fon-Der-Flaass, and A.E. Frid, Arithmetical complexity of infinite words, Languages and Combinatorics III (Proc. 3rd ICWLC, Kyoto, March 2000), World Scientific, Singapore (2003), 51-62.</mixed-citation><mixed-citation xml:lang="en">S.V. Avgustinovich, D.G. Fon-Der-Flaass, and A.E. 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