pentadecimal

adjective1

1. •
   Based on the number 15; using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D and E.

   • Kleene [13] uses a similar approach, based on Turing machine encodings over an alphabet of fifteen symbols, which are then translated into pentadecimal numbers. — 1980