The Number

42891

Forty-Two Thousand Eight Hundred and Ninety-One

Nearby Numbers

Positive, nonzero integers within three units

42888
Forty-Two Thousand Eight Hundred and Eighty-Eight
42889
Forty-Two Thousand Eight Hundred and Eighty-Nine
42890
Forty-Two Thousand Eight Hundred and Ninety
42892
Forty-Two Thousand Eight Hundred and Ninety-Two
42893
Forty-Two Thousand Eight Hundred and Ninety-Three
42894
Forty-Two Thousand Eight Hundred and Ninety-Four

Scientific Notation

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

4.2891e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002331491455083817

The reciprocal of 42891.

Palindrome?

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

The number 42891 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 eight hundred and ninety-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 eight hundred and ninety-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 eight hundred and ninety-one has the following 3 prime factors:

3
Three
17
Seventeen
29
Twenty-Nine

Prime Factorization

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

31 · 171 · 292 = 42891

Base Conversions

The number forty-two thousand eight hundred and ninety-one in 35 different bases