The Number

129842

One Hundred and Twenty-Nine Thousand Eight Hundred and Forty-Two

Nearby Numbers

Positive, nonzero integers within three units

129839
One Hundred and Twenty-Nine Thousand Eight Hundred and Thirty-Nine
129840
One Hundred and Twenty-Nine Thousand Eight Hundred and Forty
129841
One Hundred and Twenty-Nine Thousand Eight Hundred and Forty-One
129843
One Hundred and Twenty-Nine Thousand Eight Hundred and Forty-Three
129844
One Hundred and Twenty-Nine Thousand Eight Hundred and Forty-Four
129845
One Hundred and Twenty-Nine Thousand Eight Hundred and Forty-Five

Scientific Notation

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

1.29842e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007701668181328075

The reciprocal of 129842.

Palindrome?

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

The number 129842 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 twenty-nine thousand eight hundred and forty-two is a composite number with 4 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 twenty-nine thousand eight hundred and forty-two is a composite number with 4 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 twenty-nine thousand eight hundred and forty-two has the following 2 prime factors:

2
Two
64921
Sixty-Four Thousand Nine Hundred and Twenty-One

Prime Factorization

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

21 · 649211 = 129842

Base Conversions

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