The Number

5681

Five Thousand Six Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

5678
Five Thousand Six Hundred and Seventy-Eight
5679
Five Thousand Six Hundred and Seventy-Nine
5680
Five Thousand Six Hundred and Eighty
5682
Five Thousand Six Hundred and Eighty-Two
5683
Five Thousand Six Hundred and Eighty-Three
5684
Five Thousand Six Hundred and Eighty-Four

Scientific Notation

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

5.681e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0001760253476500616

The reciprocal of 5681.

Palindrome?

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

The number 5681 is not a palindrome.

Not A Prime Number

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

Five thousand six hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Five thousand six hundred and eighty-one is a composite number with 8 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 five thousand six hundred and eighty-one has the following 3 prime factors:

13
Thirteen
19
Nineteen
23
Twenty-Three

Prime Factorization

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

131 · 191 · 231 = 5681

Base Conversions

The number five thousand six hundred and eighty-one in 35 different bases