The Number

209989

Two Hundred and Nine Thousand Nine Hundred and Eighty-Nine

Nearby Numbers

Positive, nonzero integers within three units

209986
Two Hundred and Nine Thousand Nine Hundred and Eighty-Six
209987
Two Hundred and Nine Thousand Nine Hundred and Eighty-Seven
209988
Two Hundred and Nine Thousand Nine Hundred and Eighty-Eight
209990
Two Hundred and Nine Thousand Nine Hundred and Ninety
209991
Two Hundred and Nine Thousand Nine Hundred and Ninety-One
209992
Two Hundred and Nine 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.

2.09989e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004762154208077566

The reciprocal of 209989.

Palindrome?

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

The number 209989 is not a palindrome.

Not A Prime Number

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

Two hundred and nine thousand nine hundred and eighty-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.

Two hundred and nine thousand nine hundred and eighty-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 two hundred and nine thousand nine hundred and eighty-nine has the following 3 prime factors:

13
Thirteen
29
Twenty-Nine
557
Five Hundred and Fifty-Seven

Prime Factorization

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

131 · 291 · 5571 = 209989

Base Conversions

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