The Number

138909

One Hundred and Thirty-Eight Thousand Nine Hundred and Nine

In Base 18 Octodecimal Is

15ed318

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 Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138906
15ed018
One Hundred and Thirty-Eight Thousand Nine Hundred and Six in Base 18 Octodecimal
138907
15ed118
One Hundred and Thirty-Eight Thousand Nine Hundred and Seven in Base 18 Octodecimal
138908
15ed218
One Hundred and Thirty-Eight Thousand Nine Hundred and Eight in Base 18 Octodecimal
138910
15ed418
One Hundred and Thirty-Eight Thousand Nine Hundred and Ten in Base 18 Octodecimal
138911
15ed518
One Hundred and Thirty-Eight Thousand Nine Hundred and Eleven in Base 18 Octodecimal
138912
15ed618
One Hundred and Thirty-Eight Thousand Nine Hundred and Twelve in Base 18 Octodecimal

Scientific Notation

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

1.38909e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000daf6422adb22718

The reciprocal of 138909 in Base 18 Octodecimal.

Palindrome?

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

The number 15ed318 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 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 nine hundred and 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 nine hundred and nine has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
19
1118
Nineteen in Base 18 Octodecimal
2437
79718
Two Thousand Four Hundred and Thirty-Seven in Base 18 Octodecimal

Prime Factorization

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

3181 · 11181 · 797181 = 15ed318

Base Conversions

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