The Number

138638

One Hundred and Thirty-Eight Thousand Six Hundred and Thirty-Eight

In Base 18 Octodecimal Is

15dg218

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

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

Nearby Numbers

Positive, nonzero integers within three units

138635
15dfh18
One Hundred and Thirty-Eight Thousand Six Hundred and Thirty-Five in Base 18 Octodecimal
138636
15dg018
One Hundred and Thirty-Eight Thousand Six Hundred and Thirty-Six in Base 18 Octodecimal
138637
15dg118
One Hundred and Thirty-Eight Thousand Six Hundred and Thirty-Seven in Base 18 Octodecimal
138639
15dg318
One Hundred and Thirty-Eight Thousand Six Hundred and Thirty-Nine in Base 18 Octodecimal
138640
15dg418
One Hundred and Thirty-Eight Thousand Six Hundred and Forty in Base 18 Octodecimal
138641
15dg518
One Hundred and Thirty-Eight Thousand Six Hundred and Forty-One in Base 18 Octodecimal

Scientific Notation

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

1.38638e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000db5h57f5da87518

The reciprocal of 138638 in Base 18 Octodecimal.

Palindrome?

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

The number 15dg218 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 six hundred and thirty-eight 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 six hundred and thirty-eight 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 six hundred and thirty-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
103
5d18
One Hundred and Three in Base 18 Octodecimal
673
21718
Six 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

2181 · 5d181 · 217181 = 15dg218

Base Conversions

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