The Number

42981

Forty-Two Thousand Nine Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

42978
Forty-Two Thousand Nine Hundred and Seventy-Eight
42979
Forty-Two Thousand Nine Hundred and Seventy-Nine
42980
Forty-Two Thousand Nine Hundred and Eighty
42982
Forty-Two Thousand Nine Hundred and Eighty-Two
42983
Forty-Two Thousand Nine Hundred and Eighty-Three
42984
Forty-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.

4.2981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000023266094320746377

The reciprocal of 42981.

Palindrome?

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

The number 42981 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 nine hundred 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-two thousand nine hundred 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-two thousand nine hundred and eighty-one has the following 2 prime factors:

3
Three
14327
Fourteen Thousand Three Hundred and Twenty-Seven

Prime Factorization

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

31 · 143271 = 42981

Base Conversions

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