16978

16978 is a number that falls between 16977 and 16979 in the sequence of natural numbers. It is an even number, as it is divisible by 2 without leaving a remainder. In base 10, it is written as "sixteen thousand nine hundred seventy-eight."

In mathematics, 16978 is a composite number, meaning it has factors other than 1 and itself. Its prime factorization is 2 x 7 x 1213. This means that 16978 can be expressed as the product of these three prime numbers.

The number 16978 is also a Harshad number, also known as a Niven number. This is because it is divisible by the sum of its digits, which is 30 (1+6+9+7+8=30).

In the context of the International Standard Book Number (ISBN), 16978 is a prefix used for books published in the United States and Canada. This prefix is followed by a group identifier, a publisher identifier, and a title identifier to create a unique ISBN for each book.

In popular culture, 16978 is the name of a fictional town in the video game "Fallout 4." The town is located in the Commonwealth of Virginia and is known for its unique architecture and history.

Overall, 16978 is a number with various mathematical properties and cultural significance. Its unique characteristics make it an interesting subject for study and exploration.