The Number

138438

One Hundred and Thirty-Eight Thousand Four Hundred and Thirty-Eight

In Base 18 Octodecimal Is

15d5018

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

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

Nearby Numbers

Positive, nonzero integers within three units

138435
15d4f18
One Hundred and Thirty-Eight Thousand Four Hundred and Thirty-Five in Base 18 Octodecimal
138436
15d4g18
One Hundred and Thirty-Eight Thousand Four Hundred and Thirty-Six in Base 18 Octodecimal
138437
15d4h18
One Hundred and Thirty-Eight Thousand Four Hundred and Thirty-Seven in Base 18 Octodecimal
138439
15d5118
One Hundred and Thirty-Eight Thousand Four Hundred and Thirty-Nine in Base 18 Octodecimal
138440
15d5218
One Hundred and Thirty-Eight Thousand Four Hundred and Forty in Base 18 Octodecimal
138441
15d5318
One Hundred and Thirty-Eight Thousand Four 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.

1.38438e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000dbc62843bfh6518

The reciprocal of 138438 in Base 18 Octodecimal.

Palindrome?

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

The number 15d5018 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 four hundred and thirty-eight is a composite number with 12 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 four hundred and thirty-eight is a composite number with 12 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 four hundred and thirty-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
7691
15d518
Seven Thousand Six Hundred and Ninety-One 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 · 3182 · 15d5181 = 15d5018

Base Conversions

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