The Number

55991

Fifty-Five Thousand Nine Hundred and Ninety-One

Nearby Numbers

Positive, nonzero integers within three units

55988
Fifty-Five Thousand Nine Hundred and Eighty-Eight
55989
Fifty-Five Thousand Nine Hundred and Eighty-Nine
55990
Fifty-Five Thousand Nine Hundred and Ninety
55992
Fifty-Five Thousand Nine Hundred and Ninety-Two
55993
Fifty-Five Thousand Nine Hundred and Ninety-Three
55994
Fifty-Five Thousand Nine Hundred and Ninety-Four

Scientific Notation

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

5.5991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00001786001321640978

The reciprocal of 55991.

Palindrome?

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

The number 55991 is not a palindrome.

Not A Prime Number

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

Fifty-five thousand nine hundred and ninety-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.

Fifty-five thousand nine hundred and ninety-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 fifty-five thousand nine hundred and ninety-one has the following 3 prime factors:

13
Thirteen
59
Fifty-Nine
73
Seventy-Three

Prime Factorization

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

131 · 591 · 731 = 55991

Base Conversions

The number fifty-five thousand nine hundred and ninety-one in 35 different bases