The Number

138865

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

In Base 18 Octodecimal Is

15ead18

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

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

Nearby Numbers

Positive, nonzero integers within three units

138862
15eaa18
One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty-Two in Base 18 Octodecimal
138863
15eab18
One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty-Three in Base 18 Octodecimal
138864
15eac18
One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty-Four in Base 18 Octodecimal
138866
15eae18
One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty-Six in Base 18 Octodecimal
138867
15eaf18
One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty-Seven in Base 18 Octodecimal
138868
15eag18
One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty-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.

1.38865e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000dagd6a84cc33918

The reciprocal of 138865 in Base 18 Octodecimal.

Palindrome?

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

The number 15ead18 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 eight hundred and sixty-five is a composite number with 4 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 eight hundred and sixty-five 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 eight hundred and sixty-five has the following 2 prime factors:

5
518
Five in Base 18 Octodecimal
27773
4dch18
Twenty-Seven Thousand Seven Hundred and Seventy-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

5181 · 4dch181 = 15ead18

Base Conversions

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