🌐EnglishEnglishEspañolFrançaisРусский中文日本語EntityQ7243365· pop 7· linked from 47 articlesprime constantreal number whose nth binary digit is 1 if n is prime and 0 if n is composite or 1Available in 7 languagesEspañolFrançais中文日本語РусскийUkrainianvia Wikidata sitelinks · CC0Connectionsbinary numeral systemEntityPiConceptCategoriesIrrational numbersMathematical constantsPrime numbers