The Number

138445

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

In Base 18 Octodecimal Is

15d5718

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 Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138442
15d5418
One Hundred and Thirty-Eight Thousand Four Hundred and Forty-Two in Base 18 Octodecimal
138443
15d5518
One Hundred and Thirty-Eight Thousand Four Hundred and Forty-Three in Base 18 Octodecimal
138444
15d5618
One Hundred and Thirty-Eight Thousand Four Hundred and Forty-Four in Base 18 Octodecimal
138446
15d5818
One Hundred and Thirty-Eight Thousand Four Hundred and Forty-Six in Base 18 Octodecimal
138447
15d5918
One Hundred and Thirty-Eight Thousand Four Hundred and Forty-Seven in Base 18 Octodecimal
138448
15d5a18
One Hundred and Thirty-Eight Thousand Four Hundred and Forty-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.

1.38445e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000dbc220391f87e18

The reciprocal of 138445 in Base 18 Octodecimal.

Palindrome?

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

The number 15d5718 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 forty-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 four hundred and forty-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 four hundred and forty-five has the following 2 prime factors:

5
518
Five in Base 18 Octodecimal
27689
4d8518
Twenty-Seven Thousand Six Hundred and Eighty-Nine 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 · 4d85181 = 15d5718

Base Conversions

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