The Number

138915

One Hundred and Thirty-Eight Thousand Nine Hundred and Fifteen

Nearby Numbers

Positive, nonzero integers within three units

138912
One Hundred and Thirty-Eight Thousand Nine Hundred and Twelve
138913
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirteen
138914
One Hundred and Thirty-Eight Thousand Nine Hundred and Fourteen
138916
One Hundred and Thirty-Eight Thousand Nine Hundred and Sixteen
138917
One Hundred and Thirty-Eight Thousand Nine Hundred and Seventeen
138918
One Hundred and Thirty-Eight Thousand Nine Hundred and Eightteen

Scientific Notation

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

1.38915e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007198646654428967

The reciprocal of 138915.

Palindrome?

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

The number 138915 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 thirty-eight thousand nine hundred and fifteen is a composite number with 40 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 thirty-eight thousand nine hundred and fifteen is a composite number with 40 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 thirty-eight thousand nine hundred and fifteen has the following 3 prime factors:

3
Three
5
Five
7
Seven

Prime Factorization

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

34 · 51 · 73 = 138915

Base Conversions

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