The Number

42989

Forty-Two Thousand Nine Hundred and Eighty-Nine

Nearby Numbers

Positive, nonzero integers within three units

42986
Forty-Two Thousand Nine Hundred and Eighty-Six
42987
Forty-Two Thousand Nine Hundred and Eighty-Seven
42988
Forty-Two Thousand Nine Hundred and Eighty-Eight
42990
Forty-Two Thousand Nine Hundred and Ninety
42991
Forty-Two Thousand Nine Hundred and Ninety-One
42992
Forty-Two Thousand Nine Hundred and Ninety-Two

Scientific Notation

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

4.2989e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000023261764637465398

The reciprocal of 42989.

Palindrome?

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

The number 42989 is not a palindrome.

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-nine is the 4494th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Forty-Two Thousand Nine Hundred and Eighty-Nine is not a composite number because it has exactly two factors: One and Forty-Two Thousand Nine Hundred and Eighty-Nine

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-nine has the following 1 prime factor:

42989
Forty-Two Thousand Nine Hundred and Eighty-Nine

Prime Factorization

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

429891 = 42989

Base Conversions

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