The Number

31980

Thirty-One Thousand Nine Hundred and Eighty

Nearby Numbers

Positive, nonzero integers within three units

31977
Thirty-One Thousand Nine Hundred and Seventy-Seven
31978
Thirty-One Thousand Nine Hundred and Seventy-Eight
31979
Thirty-One Thousand Nine Hundred and Seventy-Nine
31981
Thirty-One Thousand Nine Hundred and Eighty-One
31982
Thirty-One Thousand Nine Hundred and Eighty-Two
31983
Thirty-One Thousand Nine Hundred and Eighty-Three

Scientific Notation

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

3.1980e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000031269543464665416

The reciprocal of 31980.

Palindrome?

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

The number 31980 is not a palindrome.

Not A Prime Number

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

Thirty-one thousand nine hundred and eighty is a composite number with 48 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand nine hundred and eighty is a composite number with 48 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-one thousand nine hundred and eighty has the following 5 prime factors:

2
Two
3
Three
5
Five
13
Thirteen
41
Forty-One

Prime Factorization

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

22 · 31 · 51 · 131 · 411 = 31980

Base Conversions

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