The Number

667

Six Hundred and Sixty-Seven

Nearby Numbers

Positive, nonzero integers within three units

664
Six Hundred and Sixty-Four
665
Six Hundred and Sixty-Five
666
Six Hundred and Sixty-Six
668
Six Hundred and Sixty-Eight
669
Six Hundred and Sixty-Nine
670
Six Hundred and Seventy

Scientific Notation

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

6.67e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0014992503748125937

The reciprocal of 667.

Palindrome?

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

The number 667 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 sixty-seven is a composite number with 4 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 sixty-seven is a composite number with 4 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 sixty-seven has the following 2 prime factors:

23
Twenty-Three
29
Twenty-Nine

Prime Factorization

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

231 · 291 = 667

Base Conversions

The number six hundred and sixty-seven in 35 different bases