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How many positive integers less than 2010 have an odd number of factors?
There are 44 positive integers less than 2,010 that have an odd number of factors.
How many positive integers less than 1000 are not divisible by 3?
666 integers.
How many positive integers are less then 50?
49
How many positive integers less than 1000 are either divisible by 2 or by 11?
There are 544 positive integers less than 1,000 that are either divisible by two or by 11.
How many positive integers less than 1000 are divisible by 7 and are not divisible by 11?
There are 130 positive integers less than 1,000 that are divisible by seven but not divisible by 11
How many positive integers less than 100 have an odd number of positive divisors?
The squares -- nine of them.
How many positive integers each have one less digit than their squares?
28
What is the sum of all positive integers less than 100 that are squares of perfect squares?
The only squares of perfect squares in that range are 1, 16, and 81.
How many positive integers less than 2008 have an even number of divisors?
There are 1,963 such integers. Every factor of a number has a pair. The only time there will be an odd number of factors is if one factor is repeated, ie the number is a perfect square. So the question is really asking: how many positive integers less than 2008 (in the range 1 to 2007) are not perfect squares. √2007 = 44 and a bit (it lies between 44 and 45) So there are 44 integers less than (or equal to) 2007 which are perfect squares → 2007 - 44 = 1963 integers are not perfect squares in the range 1-2007 and have an even number of factors (divisors).
Which has more elements the set of positive odd integers less than 50 or the set of positive even integers less than 50?
The set of positive odd integers.
Perfect squares less than 101?
Integers which are the squares of integers are called perfect squares or square numbers. Perfect squares less than 101 are 1, 4, 9, 16, 25, 36, 49, 64, 81 and 100.
What is the sum of the first positive odd integers less than 101?
The sum of the first positive odd integers less than 101 is 10,000.
Why does negative integers less than positive integers?
the negative integers are below 0, for example -6.
How many positive integers less than 2010 have an odd number of factors?
There are 44 positive integers less than 2,010 that have an odd number of factors.
What is a positive integer and what is a negtive integer?
Positive integers are greater than zero. Negative integers are less than zero.
How many positive integers less than 1000 are not divisible by 3?
666 integers.
How many positive integers are less then 50?
49
