Q:
# Is 61 a prime number?

Sixty-one is a prime number. It is the 18th prime number in the series. It is also a centered square number, a centered hexagonal number and a centered decagonal number and the sum of two square numbers.

Continue ReadingPrime numbers are whole numbers larger than 1 that can't be divided by any number other than 1 and itself and still result in a whole number. Prime numbers are always odd, because any even number greater than 2 can be divided by 1, 2 and itself. Similarly, any number ending in 5 can't be prime, because it can be divided by 1, 5 and itself.

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Q:
## What is the largest number in the world?

A: The largest named number in the world is a googolplexian. Because numbers are infinite, and any number can be made larger by simply adding to it, the large... Full Answer >Filed Under: -
Q:
## What is the spiritual meaning of the number 25?

A: In Christianity, the number 25 symbolizes grace. It consists of the number 20, which means redemption, and the number five, which represents grace. Full Answer >Filed Under: -
Q:
## What does the "C" stand for in Roman numerals?

A: In Roman numerals, "C" stands for the number 100. This is based on the Latin word "centrum," which means "100." As of 2014, Roman numerals are still occasi... Full Answer >Filed Under: -
Q:
## Is 2 a prime number?

A: Yes, 2 is a prime number. In fact, 2 is the only even number that is prime. A prime number is a number that has only two factors, the number 1 and itself. Full Answer >Filed Under: