Quick Answer: Is 169 A Square Number?

Is 49 divisible by any number?

For 49, the answer is: No, 49 is not a prime number.

The list of all positive divisors (i.e., the list of all integers that divide 49) is as follows: 1, 7, 49.

For 49 to be a prime number, it would have been required that 49 has only two divisors, i.e., itself and 1..

Is 196 a square number?

196 is a perfect square; therefore, we can get an exact value for its square root. Its precise value would equal a number times itself.

What number is the perfect square?

The perfect squares are the squares of the whole numbers: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100 … Here are the square roots of all the perfect squares from 1 to 100. 1.

How do you know if a number is divisible by 14?

You can also call it the test of divisibility for 14. For a number to be divisible by 14, it must be an even number AND when you group the digits of the numbers in blocks of three from right to left and then alternate subtracting and adding the numbers in the blocks, the result must be divisible by 7.

What is the factors of 169?

The factors of 169. Answer : 1,13,169, Related Links : Is 169 a rational number?

Is 13 divisible by any number?

728: (7×4)-28=28-28=0 and number 0 is divisible by 13 giving the result as 0. Rule 4: Multiply the last digit by 9 of a number N and subtract it from the rest of the number. If the outcome is divisible by 13 then the number N is divisible by 13.

Is the square root of 169 irrational?

The square root of 169 is a rational number if 169 is a perfect square. It is an irrational number if it is not a perfect square. Since 169 is a perfect square, it is rational number.

Is 169 a whole number?

For 169 to be a rational number, the quotient of two integers must equal 169. In other words, for 169 to be a rational number, 169 must be able to be expressed as a ratio where both the numerator and the denominator are integers (whole numbers). … Thus, the answer to the question “Is 169 a rational number?” is YES.

IS 100 a perfect square?

A: Yes, the number 100 is a perfect square.

IS 400 a perfect square?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 400 is 20. Therefore, the square root of 400 is an integer, and as a consequence 400 is a perfect square.

What is the square of 121?

11Student Answers The square root of a number is the answer to a number multiplied by itself. So the square root of 121 is 11 because 11×11=121.

Is the number 169 a perfect square?

The square root of 169 is 13. Since 13 is a whole number, 169 is a perfect square.

What is a square root of 169?

1313 is the square root of 169.

What numbers can be divided by 13?

Any number like 3302, now 2×9=18, then 330–18=312, again, 31–18 ( unit digit x 9)31–18=13, as 13 is divisible by 13 so that number 3302 is divisible by 13.

What is the positive and negative square root of 169?

We write √169=13. If we want to find the negative square root of a number, we place a negative in front of the radical sign. For example, −√169=−13.

What number is 169 divisible?

169 (number)← 168 169 170 →Cardinalone hundred sixty-nineOrdinal169th (one hundred sixty-ninth)Factorization132Divisors1, 13, 1698 more rows

Is 19 divisible by any number?

For 19, the answer is: yes, 19 is a prime number because it has only two distinct divisors: 1 and itself (19). As a consequence, 19 is only a multiple of 1 and 19.

Is 1 a perfect square?

How to Tell If a Number Is a Perfect Square. … First of all, if you create a square by multiplying two equal integers by each other, then the product is a perfect square. So, 1 * 1 is a perfect square.