The Number

71990

Seventy-One Thousand Nine Hundred and Ninety

Nearby Numbers

Positive, nonzero integers within three units

71987
Seventy-One Thousand Nine Hundred and Eighty-Seven
71988
Seventy-One Thousand Nine Hundred and Eighty-Eight
71989
Seventy-One Thousand Nine Hundred and Eighty-Nine
71991
Seventy-One Thousand Nine Hundred and Ninety-One
71992
Seventy-One Thousand Nine Hundred and Ninety-Two
71993
Seventy-One Thousand Nine Hundred and Ninety-Three

Scientific Notation

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

7.1990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000013890818169190166

The reciprocal of 71990.

Palindrome?

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

The number 71990 is not a palindrome.

Not A Prime Number

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

Seventy-one thousand nine hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Seventy-one thousand nine hundred and ninety is a composite number with 16 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-one thousand nine hundred and ninety has the following 4 prime factors:

2
Two
5
Five
23
Twenty-Three
313
Three Hundred and Thirteen

Prime Factorization

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

21 · 51 · 231 · 3131 = 71990

Base Conversions

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