The Number

138990

One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety

In Base 28 Octovigesimal Is

697q28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

138987
697n28
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Seven in Base 28 Octovigesimal
138988
697o28
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Eight in Base 28 Octovigesimal
138989
697p28
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Nine in Base 28 Octovigesimal
138991
697r28
One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-One in Base 28 Octovigesimal
138992
698028
One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-Two in Base 28 Octovigesimal
138993
698128
One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-Three in Base 28 Octovigesimal

Scientific Notation

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

1.38990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0004bn2bf4ihfk228

The reciprocal of 138990 in Base 28 Octovigesimal.

Palindrome?

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

The number 697q28 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 ninety is a composite number with 32 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-eight thousand nine hundred and ninety is a composite number with 32 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 ninety has the following 5 prime factors:

2
228
Two in Base 28 Octovigesimal
3
328
Three in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal
41
1d28
Forty-One in Base 28 Octovigesimal
113
4128
One Hundred and Thirteen in Base 28 Octovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2281 · 3281 · 5281 · 1d281 · 41281 = 697q28

Base Conversions

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