The Number

38991

Thirty-Eight Thousand Nine Hundred and Ninety-One

Nearby Numbers

Positive, nonzero integers within three units

38988
Thirty-Eight Thousand Nine Hundred and Eighty-Eight
38989
Thirty-Eight Thousand Nine Hundred and Eighty-Nine
38990
Thirty-Eight Thousand Nine Hundred and Ninety
38992
Thirty-Eight Thousand Nine Hundred and Ninety-Two
38993
Thirty-Eight Thousand Nine Hundred and Ninety-Three
38994
Thirty-Eight 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.

3.8991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000025646944166602548

The reciprocal of 38991.

Palindrome?

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

The number 38991 is not a palindrome.

Not A Prime Number

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

Thirty-eight 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.

Thirty-eight 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 thirty-eight thousand nine hundred and ninety-one has the following 3 prime factors:

3
Three
41
Forty-One
317
Three Hundred and Seventeen

Prime Factorization

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

31 · 411 · 3171 = 38991

Base Conversions

The number thirty-eight thousand nine hundred and ninety-one in 35 different bases