The Number

138539

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

In Base 18 Octodecimal Is

15dab18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

138536
15da818
One Hundred and Thirty-Eight Thousand Five Hundred and Thirty-Six in Base 18 Octodecimal
138537
15da918
One Hundred and Thirty-Eight Thousand Five Hundred and Thirty-Seven in Base 18 Octodecimal
138538
15daa18
One Hundred and Thirty-Eight Thousand Five Hundred and Thirty-Eight in Base 18 Octodecimal
138540
15dac18
One Hundred and Thirty-Eight Thousand Five Hundred and Forty in Base 18 Octodecimal
138541
15dad18
One Hundred and Thirty-Eight Thousand Five Hundred and Forty-One in Base 18 Octodecimal
138542
15dae18
One Hundred and Thirty-Eight Thousand Five Hundred and Forty-Two in Base 18 Octodecimal

Scientific Notation

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

1.38539e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000db921fa91b44918

The reciprocal of 138539 in Base 18 Octodecimal.

Palindrome?

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

The number 15dab18 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 five hundred and thirty-nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-eight thousand five hundred and thirty-nine 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 thirty-eight thousand five hundred and thirty-nine has the following 3 prime factors:

31
1d18
Thirty-One in Base 18 Octodecimal
41
2518
Forty-One in Base 18 Octodecimal
109
6118
One Hundred and Nine in Base 18 Octodecimal

Prime Factorization

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

1d181 · 25181 · 61181 = 15dab18

Base Conversions

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