The Number

72981

Seventy-Two Thousand Nine Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

72978
Seventy-Two Thousand Nine Hundred and Seventy-Eight
72979
Seventy-Two Thousand Nine Hundred and Seventy-Nine
72980
Seventy-Two Thousand Nine Hundred and Eighty
72982
Seventy-Two Thousand Nine Hundred and Eighty-Two
72983
Seventy-Two Thousand Nine Hundred and Eighty-Three
72984
Seventy-Two Thousand Nine Hundred and Eighty-Four

Scientific Notation

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

7.2981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000013702196462092873

The reciprocal of 72981.

Palindrome?

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

The number 72981 is not a palindrome.

Not A Prime Number

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

Seventy-two thousand nine hundred and eighty-one is a composite number with 20 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Seventy-two thousand nine hundred and eighty-one is a composite number with 20 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 seventy-two thousand nine hundred and eighty-one has the following 3 prime factors:

3
Three
17
Seventeen
53
Fifty-Three

Prime Factorization

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

34 · 171 · 531 = 72981

Base Conversions

The number seventy-two thousand nine hundred and eighty-one in 35 different bases