The Number

139531

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

In Base 18 Octodecimal Is

15gbd18

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

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

Nearby Numbers

Positive, nonzero integers within three units

139528
15gba18
One Hundred and Thirty-Nine Thousand Five Hundred and Twenty-Eight in Base 18 Octodecimal
139529
15gbb18
One Hundred and Thirty-Nine Thousand Five Hundred and Twenty-Nine in Base 18 Octodecimal
139530
15gbc18
One Hundred and Thirty-Nine Thousand Five Hundred and Thirty in Base 18 Octodecimal
139532
15gbe18
One Hundred and Thirty-Nine Thousand Five Hundred and Thirty-Two in Base 18 Octodecimal
139533
15gbf18
One Hundred and Thirty-Nine Thousand Five Hundred and Thirty-Three in Base 18 Octodecimal
139534
15gbg18
One Hundred and Thirty-Nine Thousand Five Hundred and Thirty-Four in Base 18 Octodecimal

Scientific Notation

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

1.39531e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000d9dca8c66bh0118

The reciprocal of 139531 in Base 18 Octodecimal.

Palindrome?

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

The number 15gbd18 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-nine thousand five hundred and thirty-one 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-nine thousand five hundred and thirty-one 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-nine thousand five hundred and thirty-one has the following 3 prime factors:

7
718
Seven in Base 18 Octodecimal
31
1d18
Thirty-One in Base 18 Octodecimal
643
1hd18
Six Hundred and Forty-Three in Base 18 Octodecimal

Prime Factorization

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

7181 · 1d181 · 1hd181 = 15gbd18

Base Conversions

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