16515

16515 is a number that falls between 16514 and 16516 in the sequence of natural numbers. It is an odd number, as it cannot be evenly divided by 2. In the decimal system, it is written as "sixteen thousand five hundred fifteen." In scientific notation, it is expressed as 1.6515 x 10^4.

The number 16515 has several mathematical properties. It is a composite number, meaning it has factors other than 1 and itself. Its prime factorization is 3 x 5 x 11 x 31. It is also a Harshad number, also known as a Niven number, because it is divisible by the sum of its digits (1+6+5+1+5=18).

In the context of the International Standard Book Number (ISBN), 16515 is a group identifier for books published in the United States. It is assigned by the Library of Congress and is used to identify the publisher of the book.

In the context of the North American Numbering Plan, 16515 is an area code for the city of San Francisco, California. It is one of the original area codes established in the 1940s and is still in use today.

In popular culture, 16515 is the name of a song by the American rock band The Kinks, released in 1965. The song is known for its distinctive guitar riff and has been covered by numerous artists over the years.