The Number

138940

One Hundred and Thirty-Eight Thousand Nine Hundred and Forty

In Base 21 Unovigesimal Is

f01421

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 Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138937
f01121
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirty-Seven in Base 21 Unovigesimal
138938
f01221
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirty-Eight in Base 21 Unovigesimal
138939
f01321
One Hundred and Thirty-Eight Thousand Nine Hundred and Thirty-Nine in Base 21 Unovigesimal
138941
f01521
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-One in Base 21 Unovigesimal
138942
f01621
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Two in Base 21 Unovigesimal
138943
f01721
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Three in Base 21 Unovigesimal

Scientific Notation

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

1.38940e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000188618c611j6e21

The reciprocal of 138940 in Base 21 Unovigesimal.

Palindrome?

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

The number f01421 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 is a composite number with 12 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 forty 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 nine hundred and forty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
6947
ffh21
Six Thousand Nine Hundred and Forty-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

2212 · 5211 · ffh211 = f01421

Base Conversions

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