The Number

138931

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

In Base 21 Unovigesimal Is

f00g21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

138928
f00d21
One Hundred and Thirty-Eight Thousand Nine Hundred and Twenty-Eight in Base 21 Unovigesimal
138929
f00e21
One Hundred and Thirty-Eight Thousand Nine Hundred and Twenty-Nine in Base 21 Unovigesimal
138930
f00f21
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirty in Base 21 Unovigesimal
138932
f00h21
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirty-Two in Base 21 Unovigesimal
138933
f00i21
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirty-Three in Base 21 Unovigesimal
138934
f00j21
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirty-Four in Base 21 Unovigesimal

Scientific Notation

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

1.38931e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001886j0j4id1gc21

The reciprocal of 138931 in Base 21 Unovigesimal.

Palindrome?

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

The number f00g21 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 thirty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-eight thousand nine hundred and thirty-one 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 nine hundred and thirty-one has the following 2 prime factors:

13
d21
Thirteen in Base 21 Unovigesimal
10687
134j21
Ten Thousand Six Hundred and Eighty-Seven in Base 21 Unovigesimal

Prime Factorization

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

d211 · 134j211 = f00g21

Base Conversions

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