The Number

40081

Forty Thousand and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

40078
Forty Thousand and Seventy-Eight
40079
Forty Thousand and Seventy-Nine
40080
Forty Thousand and Eighty
40082
Forty Thousand and Eighty-Two
40083
Forty Thousand and Eighty-Three
40084
Forty Thousand and Eighty-Four

Scientific Notation

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

4.0081e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000024949477308450388

The reciprocal of 40081.

Palindrome?

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

The number 40081 is not a palindrome.

Not A Prime Number

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

Forty thousand and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Forty thousand and eighty-one is a composite number with 4 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 forty thousand and eighty-one has the following 2 prime factors:

149
One Hundred and Forty-Nine
269
Two Hundred and Sixty-Nine

Prime Factorization

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

1491 · 2691 = 40081

Base Conversions

The number forty thousand and eighty-one in 35 different bases