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.
The 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 MoreConsecutive prime numbers refers to a sequence of two or more prime numbers that are next to each other with no other prime numbers in between. A prime number is a number that is larger than one and that can only be divided evenly by one and itself.
Full Answer >In math, zero is considered to be an even number. In order to be even, a number must be able to be divided exactly by two. Zero qualifies because zero divided by two equals zero.
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.
Full Answer >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.
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