The Number

1668

One Thousand Six Hundred and Sixty-Eight

Nearby Numbers

Positive, nonzero integers within three units

1665
One Thousand Six Hundred and Sixty-Five
1666
One Thousand Six Hundred and Sixty-Six
1667
One Thousand Six Hundred and Sixty-Seven
1669
One Thousand Six Hundred and Sixty-Nine
1670
One Thousand Six Hundred and Seventy
1671
One Thousand Six Hundred and Seventy-One

Scientific Notation

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

1.668e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0005995203836930455

The reciprocal of 1668.

Palindrome?

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

The number 1668 is not a palindrome.

Not A Prime Number

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

One thousand six hundred and sixty-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One thousand six hundred and sixty-eight is a composite number with 12 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 one thousand six hundred and sixty-eight has the following 3 prime factors:

2
Two
3
Three
139
One Hundred and Thirty-Nine

Prime Factorization

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

22 · 31 · 1391 = 1668

Base Conversions

The number one thousand six hundred and sixty-eight in 35 different bases