10 in the decimal system, e.g., 5 letters
Base of a number system, 5 letters
Botanist's root, 5 letters
e, in natural logarithms, 5 letters
Plant root, 5 letters
(in a digital numeration system) the positive integer that is equivalent to one in the next higher counting place, 5 letters
Base numbers, in math, 7 letters
Numbers taken as the base of a system of numbers, 7 letters