positive square numbers less than 50 are 7 these are : 1,4,9,16,25,36,49.These are less than 50.
There are 41 square numbers less than 1694 and an infinite number greater than 5929. There are 35 square numbers between 1694 and 5929, 36 if you count 5929 itself.
less than 10
All but the square numbers - 53 of them.
There are 899 numbers that are less than 900
999,999,999 numbers less than 1,000,000,000.
Find 3 consecutive numbers where the product of the smaller two numbers is 19 less than the square of the largest number.
Take the square root of 1617 and round it up. Take the square root of 5929 and round it down. That gives you the lower and upper range of the numbers which you must square to get the desired perfect squares.
Many numbers are less than 3.25. Less means that the numbers are smaller.