The Number

129981

One Hundred and Twenty-Nine Thousand Nine Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

129978
One Hundred and Twenty-Nine Thousand Nine Hundred and Seventy-Eight
129979
One Hundred and Twenty-Nine Thousand Nine Hundred and Seventy-Nine
129980
One Hundred and Twenty-Nine Thousand Nine Hundred and Eighty
129982
One Hundred and Twenty-Nine Thousand Nine Hundred and Eighty-Two
129983
One Hundred and Twenty-Nine Thousand Nine Hundred and Eighty-Three
129984
One Hundred and Twenty-Nine Thousand Nine Hundred and Eighty-Four

Scientific Notation

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

1.29981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007693432117001715

The reciprocal of 129981.

Palindrome?

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

The number 129981 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 nine hundred and eighty-one 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.

One hundred and twenty-nine thousand nine hundred and eighty-one 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 one hundred and twenty-nine thousand nine hundred and eighty-one has the following 3 prime factors:

3
Three
37
Thirty-Seven
1171
One Thousand One Hundred and Seventy-One

Prime Factorization

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

31 · 371 · 11711 = 129981

Base Conversions

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