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Q: What number is a perfect square a even number and less than 16?
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Related questions

How many square even number are there less than 50?

There are three perfect squares between 0 and 50 that are even.


Is there a prime number where there is 1 less than a perfect square?

3 is prime, 1 less than the perfect square of 4 (2x2)


What is the greatest even square number that is less than 300?

256 is the greatest even square number that is less than 300.


What number differs from a perfect square by 1 is even and is less than 30?

8, 10 24, 26


How can you tell if a number is a perfect square?

One way is to get the prime factorization of the number. If every prime occurs an even number of times, it is a square, otherwise, not. Another is to estimate the square root of the number, and square it. If you get more than the number, try a lower estimate; if less, a higher one. Using interval bisection you very quickly zero in on the square root, if it is a whole number. If so, the number is a perfect square. Otherwise, you find 2 consecutive whole numbers between which is the square root, in which case it is not a perfect square.


Why is 572 NOT a square number?

A square number, or perfect square, is the square of an integer. 232 is less than 572, 242 is more, so it is not the square of an integer.


What number is less than 100 is an even a prime number and is square?

There is only one even prime number and that is 2 as all over even numbers can be divided by 2 and 2 is not square so there isn't a number less than 100 that is an even prime square number.


What is the perfect cube that is less than to 125?

It is 64 which is also a square number


What number is less than ten is an even number and a square number?

4


The only number that is one less than a square?

Every non-negative real number is a square (every number if in the complex field) so every real number greater than or equal to -1 is one less than a square. Even if you restrict yourself to perfect squares, of the form n2, then n2 - 1 = (n-1)*(n+1) is one less than a square. There are infinitely many such numbers.


Are prime numbers more or less common than perfect squares?

Any number squared except 0 is a perfect square so it follows that prime numbers are less common than perfect squares.


What is the greatest perfect square ofr 5040?

5040 is not a perfect square. The greatest perfect square less than 5040 is 4900.


What is the 5 beprsique number?

A beprisque number nnn is an integer which is either one more than a prime number and one less than a perfect square, or one more than a square and one less than a prime. The 5th such number is 10.


What are two facts about the number 25?

25 is a perfect square25 is the largest whole number that is less than 26


Is 31 a perfect number?

No. The only perfect numbers less than 100 are 6 and 28. All known perfect numbers are even - it is unknown whether there are odd perfect numbers.


What is the closet perfect square less that 340?

324


What perfect square is less than 30?

It is 25.


Why composite number which has perfect square root doesn't have factor less and greater then square root?

Actually it can, if it's not the square of a prime number. For example, 144 is the square of 12; but you can also factor it as 6 x 24.


What even number less than 100 has an odd number of factors?

Perfect squares have odd numbers of factors. The perfect squares less than 100 are: 1,4,9,16,25,36,49,64,81,100. 64 seems to fit both criteria.


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).


What is a perfect number less than 50?

6 and 28 are perfect numbers less than 50.


What is the perfect square closest to but less than 28?

It is: 25


What whole number is less than 100 that is both a perfect square and a perfect cube?

To be a perfect square, all the primes in a number's prime factorisation must have an even power To be a perfect cube, all the primes in a number's prime factorisation must a power that is a multiple of 3 → To be a perfect square, all the primes in a number's prime factorisation must a power that is a multiple of 3 and a multiple of 2, ie the power must be a multiple of 6 The smallest prime is 2 2⁶ = 64 = (2³)² = 8² = (2²)³ = 4³ 2¹² = 4096 (too large) 3⁶ = 729 (too large) There is also 1 = 1² = 1³ Thus the whole numbers less than 100 which are both perfect squares and perfect cubes are 1 and 64.


Why are square numbers one less than a prime number always even?

Prime numbers, except 2, are always odd (they would not be prime if they were even cos they would be divisible by 2.) 1 less than any odd number must be an even number.


What is the largest perfect square that can go into 1476?

√1476 ≈ 38.419, so the largest perfect square less than 1476 would have to be 382, or 1444.