The Number

680

Six Hundred and Eighty

Nearby Numbers

Positive, nonzero integers within three units

677
Six Hundred and Seventy-Seven
678
Six Hundred and Seventy-Eight
679
Six Hundred and Seventy-Nine
681
Six Hundred and Eighty-One
682
Six Hundred and Eighty-Two
683
Six Hundred and Eighty-Three

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

6.80e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0014705882352941176

The reciprocal of 680.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 680 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Six hundred and eighty is a composite number with 16 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Six hundred and eighty is a composite number with 16 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number six hundred and eighty has the following 3 prime factors:

2
Two
5
Five
17
Seventeen

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

23 · 51 · 171 = 680

Base Conversions

The number six hundred and eighty in 35 different bases