The Number

138943

One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Three

In Base 18 Octodecimal Is

15ef118

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 Forty-Three in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138940
15eeg18
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty in Base 18 Octodecimal
138941
15eeh18
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-One in Base 18 Octodecimal
138942
15ef018
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Two in Base 18 Octodecimal
138944
15ef218
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Four in Base 18 Octodecimal
138945
15ef318
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Five in Base 18 Octodecimal
138946
15ef418
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Six in Base 18 Octodecimal

Scientific Notation

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

1.38943e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000dae4ec633bf5718

The reciprocal of 138943 in Base 18 Octodecimal.

Palindrome?

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

The number 15ef118 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 forty-three 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 forty-three 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 forty-three has the following 3 prime factors:

7
718
Seven in Base 18 Octodecimal
23
1518
Twenty-Three in Base 18 Octodecimal
863
2bh18
Eight Hundred and Sixty-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

7181 · 15181 · 2bh181 = 15ef118

Base Conversions

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