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What is between 20 and negative 15?
lots of numbers.. it depends on if you want integers or real numbers. So for example, 0 and -2 and 5 are between 20 and -15, but so is Pi, and the square root of 2 and an infinite number of numbers If we just limit the answer to integers, then we have -14, -13, -12,-12......0, 1, 2, 3,4,....19. Sometimes we include the endpoints, -15 and 20, but usually we are told to do that Mathdoc Doctor Chuck
What are non-perfect square numbers?
Non-perfect square numbers are numbers that are not formed from the square of a number. 12, 13, 14, 21, 99, etc, are all non-perfect square numbers because when you square root them you do not get a whole number, which means they are not formed by any whole number, x, being squared (x^2).
What are near perfect numbers?
They are numbers that are NEAR PERFECT. a near perfect number is when its factors (exept the actual number) are added up and ALMOST equal the number ex. 16x1/2x8/4x4/ so its factors are 1,2,4,8 and 16 so add them ( exept the actual number) 1+2+4+8=15 so its NEAR PERFECT and a perfect number is a number that all its factors equal to its number ex. 6-1,2,3,6 are its factors all together-1+2+3=6 those are NEAR PERFECT and PERFECT numbers
What are the first 20 triangle numbers?
Calculate n*(n+1)/2 for n=1, 2, 3, ... , 20.
What are the whole numbers between 1 and 20?
Oh, what a happy little question! The whole numbers between 1 and 20 are 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19. Each number is unique and special, just like every tree in our painting. Just remember to paint them with love and kindness.
