The Number

138689

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

In Base 8 Octal Is

4167018

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

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

Nearby Numbers

Positive, nonzero integers within three units

138686
4166768
One Hundred and Thirty-Eight Thousand Six Hundred and Eighty-Six in Base 8 Octal
138687
4166778
One Hundred and Thirty-Eight Thousand Six Hundred and Eighty-Seven in Base 8 Octal
138688
4167008
One Hundred and Thirty-Eight Thousand Six Hundred and Eighty-Eight in Base 8 Octal
138690
4167028
One Hundred and Thirty-Eight Thousand Six Hundred and Ninety in Base 8 Octal
138691
4167038
One Hundred and Thirty-Eight Thousand Six Hundred and Ninety-One in Base 8 Octal
138692
4167048
One Hundred and Thirty-Eight Thousand Six Hundred and Ninety-Two in Base 8 Octal

Scientific Notation

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

1.38689e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000017076052613270370648

The reciprocal of 138689 in Base 8 Octal.

Palindrome?

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

The number 4167018 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 six hundred and eighty-nine is a composite number with 4 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 six hundred and eighty-nine 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 thirty-eight thousand six hundred and eighty-nine has the following 2 prime factors:

331
5138
Three Hundred and Thirty-One in Base 8 Octal
419
6438
Four Hundred and Nineteen in Base 8 Octal

Prime Factorization

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

51381 · 64381 = 4167018

Base Conversions

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