About 5.7 percent. So not all that much. For comparison, binary is about 42 percent more efficient then decimal. See [1] for more numbers. 1: https://en.wikipe

About 5.7 percent. So not all that much. For comparison, binary is about 42 percent more efficient then decimal. See [1] for more numbers. 1: https://en.wikipedia.org/wiki/Radix_economy#Comparing_different_bases https://en.wikipedia.org/wiki/Radix_economy#Comparing_differ...