None. There's no such thing as an interger.
There are an infinite number of integers less than five: 4, 3, 2, 1, 0, and all of the negative ones.
There are 90 integers less than 1,000 that are divisible by 11.
Five even integers. Square root of 37 is a little more than 6 (but less than 7). Square root of 257 is a little more than 16 (less than 17). So the even integers are: 8, 10, 12, 14, 16. There are five of them.
Five of them.
666 integers.
Five of them.
There are five of them.
One less than 10000.
There are 44 positive integers less than 2,010 that have an odd number of factors.
There are 80 such integers.
33: 4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30,32,33,34,35,36,38,39,40,42,44,45,46,48,49
Eight.
6