The Number

138940

One Hundred and Thirty-Eight Thousand Nine Hundred and Forty

In Base 8 Octal Is

4172748

The numbers with a 8 subscript use Base 8 Octal notation.

For more familiar numbers: See One Hundred and Thirty-Eight Thousand Nine Hundred and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138937
4172718
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirty-Seven in Base 8 Octal
138938
4172728
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirty-Eight in Base 8 Octal
138939
4172738
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirty-Nine in Base 8 Octal
138941
4172758
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-One in Base 8 Octal
138942
4172768
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Two in Base 8 Octal
138943
4172778
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Three in Base 8 Octal

Scientific Notation

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

1.38940e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000017060061606444037548

The reciprocal of 138940 in Base 8 Octal.

Palindrome?

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

The number 4172748 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 is a composite number with 12 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

One hundred and thirty-eight thousand nine hundred and forty is a composite number with 12 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 forty has the following 3 prime factors:

2
28
Two in Base 8 Octal
5
58
Five in Base 8 Octal
6947
154438
Six Thousand Nine Hundred and Forty-Seven in Base 8 Octal

Prime Factorization

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

282 · 581 · 1544381 = 4172748

Base Conversions

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