🌐EnglishEnglishFrançaisItalianoPortuguês한국어中文日本語EntityQ904395· pop 9· linked from 237 articlesBlum integerproduct of two distinct primes which are congruent to 3 modulo 4Available in 9 languagesFrançais中文日本語PortuguêsItalianoCzechUkrainian한국어via Wikidata sitelinks · CC0Connections400Entity300EntityCategoriesInteger sequences