The Number

42809

Forty-Two Thousand Eight Hundred and Nine

Nearby Numbers

Positive, nonzero integers within three units

42806
Forty-Two Thousand Eight Hundred and Six
42807
Forty-Two Thousand Eight Hundred and Seven
42808
Forty-Two Thousand Eight Hundred and Eight
42810
Forty-Two Thousand Eight Hundred and Ten
42811
Forty-Two Thousand Eight Hundred and Eleven
42812
Forty-Two Thousand Eight Hundred and Twelve

Scientific Notation

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

4.2809e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000023359573921371674

The reciprocal of 42809.

Palindrome?

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

The number 42809 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 nine is a composite number with 8 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 nine is a composite number with 8 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 nine has the following 3 prime factors:

13
Thirteen
37
Thirty-Seven
89
Eighty-Nine

Prime Factorization

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

131 · 371 · 891 = 42809

Base Conversions

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