base twenty in a sentence

1. The system was vigesimal ( base twenty ), so it has twenty digits.
2. Although her music can technically be categorized as alternative Burnt Sugar The Arkestra Chamber, a New York based twenty-plus member ensemble led by Greg Tate ( Village Voice ) known for improvisatory orchestral performances that mash up all manner of vocal, instrumental and electronic music.
3. It's difficult to find base twenty in a sentence.