🌐EnglishEnglishDeutschFrançaisРусский中文日本語EntityQ2654418· pop 5unique primeprime 𝑝 such that there is no other prime 𝑞 such that the period length of the decimal expansion of 1⁄𝑝 equals that of 1⁄𝑞Available in 5 languagesFrançaisDeutsch中文Русскийvia Wikidata sitelinks · CC0