Nearby Numbers

Positive, nonzero integers within three units

138939

One Hundred and Thirty-Eight Thousand Nine Hundred and Thirty-Nine

138940

One Hundred and Thirty-Eight Thousand Nine Hundred and Forty

138941

One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-One

138943

One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Three

138944

One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Four

138945

One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Five

Scientific Notation

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

1.38942e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000071972477724518145

The reciprocal of 138942.

Palindrome?

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

The number 138942 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 forty-two is a composite number with 32 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 forty-two is a composite number with 32 total factors (including 1 and itself).

Prime Factors

2

Two

3

Three

31

Thirty-One

83

Eighty-Three

Prime Factorization

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

21 · 33 · 311 · 831 = 138942

Base Conversions

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