The Number

42081

Forty-Two Thousand and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

42078
Forty-Two Thousand and Seventy-Eight
42079
Forty-Two Thousand and Seventy-Nine
42080
Forty-Two Thousand and Eighty
42082
Forty-Two Thousand and Eighty-Two
42083
Forty-Two Thousand and Eighty-Three
42084
Forty-Two Thousand and Eighty-Four

Scientific Notation

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

4.2081e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002376369382856871

The reciprocal of 42081.

Palindrome?

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

The number 42081 is not a palindrome.

Not A Prime Number

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

Forty-two thousand and eighty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Forty-two thousand and eighty-one is a composite number with 12 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-two thousand and eighty-one has the following 3 prime factors:

3
Three
13
Thirteen
83
Eighty-Three

Prime Factorization

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

31 · 132 · 831 = 42081

Base Conversions

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