The problem is that you are reversing the string a few times. The following will do: (defun base8 (n) (let ((t8 (truncate n 8)) (m8 (mod n 8))) (if (= t8 0) (list m8) (append (base8 t8) (list m8))))) EDIT Here's a solution without append, using a helper function.
On average, a kidney weighs approximately 150 to 160 grams and, together, both kidneys weigh about 0.5 percent of total body weight. Usually, the left kidney is slightly larger than the right. These measurements and weights represent the typical ranges of a healthy, adult human kidney.
Making the world better, one answer at a time. The average weight of a human brain is 1336 grams or 2.95 pounds  for a male and 1198 grams or 2.64 pounds for a female. As a human  ages the weight of their brain tends to â¦decrease. 1 person found this useful.