The Number

198909

One Hundred and Ninety-Eight Thousand Nine Hundred and Nine

Nearby Numbers

Positive, nonzero integers within three units

198906
One Hundred and Ninety-Eight Thousand Nine Hundred and Six
198907
One Hundred and Ninety-Eight Thousand Nine Hundred and Seven
198908
One Hundred and Ninety-Eight Thousand Nine Hundred and Eight
198910
One Hundred and Ninety-Eight Thousand Nine Hundred and Ten
198911
One Hundred and Ninety-Eight Thousand Nine Hundred and Eleven
198912
One Hundred and Ninety-Eight Thousand Nine Hundred and Twelve

Scientific Notation

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

1.98909e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000005027424601199543

The reciprocal of 198909.

Palindrome?

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

The number 198909 is not a palindrome.

Not A Prime Number

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

One hundred and ninety-eight thousand nine hundred and nine is a composite number with 16 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One hundred and ninety-eight thousand nine hundred and nine is a composite number with 16 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 one hundred and ninety-eight thousand nine hundred and nine has the following 3 prime factors:

3
Three
53
Fifty-Three
139
One Hundred and Thirty-Nine

Prime Factorization

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

33 · 531 · 1391 = 198909

Base Conversions

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