The Number

138985

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

In Base 18 Octodecimal Is

15eh718

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

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

Nearby Numbers

Positive, nonzero integers within three units

138982
15eh418
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Two in Base 18 Octodecimal
138983
15eh518
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Three in Base 18 Octodecimal
138984
15eh618
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Four in Base 18 Octodecimal
138986
15eh818
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Six in Base 18 Octodecimal
138987
15eh918
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Seven in Base 18 Octodecimal
138988
15eha18
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal

Scientific Notation

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

1.38985e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000dacgf4f16g0718

The reciprocal of 138985 in Base 18 Octodecimal.

Palindrome?

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

The number 15eh718 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 eighty-five is a composite number with 24 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 nine hundred and eighty-five is a composite number with 24 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 eighty-five has the following 4 prime factors:

5
518
Five in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
19
1118
Nineteen in Base 18 Octodecimal

Prime Factorization

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

5181 · 7181 · b181 · 11182 = 15eh718

Base Conversions

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