The Number

25991

Twenty-Five Thousand Nine Hundred and Ninety-One

Nearby Numbers

Positive, nonzero integers within three units

25988
Twenty-Five Thousand Nine Hundred and Eighty-Eight
25989
Twenty-Five Thousand Nine Hundred and Eighty-Nine
25990
Twenty-Five Thousand Nine Hundred and Ninety
25992
Twenty-Five Thousand Nine Hundred and Ninety-Two
25993
Twenty-Five Thousand Nine Hundred and Ninety-Three
25994
Twenty-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.

2.5991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000038474856681158864

The reciprocal of 25991.

Palindrome?

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

The number 25991 is not a palindrome.

Not A Prime Number

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

Twenty-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.

Twenty-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 twenty-five thousand nine hundred and ninety-one has the following 3 prime factors:

7
Seven
47
Forty-Seven
79
Seventy-Nine

Prime Factorization

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

71 · 471 · 791 = 25991

Base Conversions

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