A:### Quick Answer

The number 17 best continues the following sequence: 2, 9, 5, 13, 10, 19. A sequence, in math terms, is a set of numbers organized in some sort of pattern. To find the next number in the sequence, the problem's solver must first figure out the pattern.

Know MoreThe differences between the numbers are 7, -4, 8, -3 and 9. The numbers switch on and off from adding or subtracting. Every time a number is added, it is one higher than the last number that was added. In the pattern so far, the positive numbers are 7, 8, and 9. Every time a number is subtracted, it is one less than the last subtraction. The negative numbers so far are -4, and -3. Using this pattern, the next number is 2 less than the last number in the sequence, 19. So, the answer is 17.

Learn more about NumbersSources:

- Q:
## What is special about the number 23?

A:The significance of the number 23 is mostly created by pop culture, although speculation about its mystical importance has existed for centuries. The 2007 mystery-thriller film called "The Number 23" starring Jim Carrey was created in recognition of the number's meaning, according to /Film.

Full Answer >Filed Under: - Q:
## Is the number 1 prime?

A:

Full Answer >**The number one is neither prime nor composite.**Prime numbers are those defined as natural numbers greater than one not divisible by any other numbers but one and itself. Composite numbers have at least one additional positive divisor and include all whole numbers greater than one that are not prime.Filed Under: - Q:
## What is a number multiplied by itself called?

A:A number that is multiplied by itself is called a base when it is written in exponential notation. Exponential notation consists of the number to be multiplied and a numeral in superscript to the right of it to indicate the number of times it is to be multiplied by itself.

Full Answer >Filed Under: - Q:
## Is the number 121 a prime number?

A:

Full Answer >**The number 121 is not a prime number.**A prime number must have only two factors, 1 and the number itself. However, the number 121 has three factors as 11 is a also factor of 121 in addition to 1 and 121 itself.Filed Under: