Each hand can count up to 16 in such manner. Chinese Taoists did finger computation on the trigrams and hexagrams by counting the finger tips and joints of the fingers with the tip of the thumb. It would be easier to split a heap of grains into sixteen equal parts through successive divisions than to split into ten parts. In old days, weighing was done with a beam balance to make equal splits. The British have 16 ounces in one pound the Chinese used to have 16 liangs in one jin. For this reason, 16 was used in weighing light objects in several cultures. In English speech, the numbers 16 and 60 are sometimes confused, as they sound very similar. It is the smallest number with exactly five divisors, its proper divisors being 1, 2, 4 and 8. 16 is a composite number, and a square number, being 4 2 = 4 × 4. 16 ( sixteen) is the natural number following 15 and preceding 17.
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