"favorite number" in German favorite number Lieblingszahl Detailed translations for "favorite number" favorite number favorite number(also: favourite number) die Lieblingszahl{feminine} She's good. Your favorite number is the atomic weight of helium? Source: opensubtitles.org Corpus by OPUS Request review Deine Lieblingszahl ist das Atomgewicht von Helium? My favorite number is also five. Source: opensubtitles.org Corpus by OPUS Request review Meine Lieblingszahl ist auch 5.