🌐EnglishEnglishDeutschEspañolFrançaisPolskiРусский한국어中文日本語EntityQ1142215· pop 10· linked from 54 articlesordinal arithmeticdescribes the three usual operations on ordinal numbers: addition, multiplication, and exponentiationAvailable in 10 languagesEspañolFrançaisDeutsch中文РусскийCatalanCzechPolski한국어via Wikidata sitelinks · CC0Connectionsnatural numberEntitylexicographical orderEntityCategoriesOrdinal numbersSet theory