The Number

138205

One Hundred and Thirty-Eight Thousand Two Hundred and Five

In Base 18 Octodecimal Is

15ca118

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

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

Nearby Numbers

Positive, nonzero integers within three units

138202
15c9g18
One Hundred and Thirty-Eight Thousand Two Hundred and Two in Base 18 Octodecimal
138203
15c9h18
One Hundred and Thirty-Eight Thousand Two Hundred and Three in Base 18 Octodecimal
138204
15ca018
One Hundred and Thirty-Eight Thousand Two Hundred and Four in Base 18 Octodecimal
138206
15ca218
One Hundred and Thirty-Eight Thousand Two Hundred and Six in Base 18 Octodecimal
138207
15ca318
One Hundred and Thirty-Eight Thousand Two Hundred and Seven in Base 18 Octodecimal
138208
15ca418
One Hundred and Thirty-Eight Thousand Two Hundred and 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.

1.38205e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000dc1e6188dabba18

The reciprocal of 138205 in Base 18 Octodecimal.

Palindrome?

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

The number 15ca118 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 two hundred and five 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 two hundred and five 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 two hundred and five has the following 3 prime factors:

5
518
Five in Base 18 Octodecimal
131
7518
One Hundred and Thirty-One in Base 18 Octodecimal
211
bd18
Two Hundred and Eleven 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 · 75181 · bd181 = 15ca118

Base Conversions

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