The Number

138481

One Hundred and Thirty-Eight Thousand Four Hundred and Eighty-One

In Base 21 Unovigesimal Is

ek0721

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

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

Nearby Numbers

Positive, nonzero integers within three units

138478
ek0421
One Hundred and Thirty-Eight Thousand Four Hundred and Seventy-Eight in Base 21 Unovigesimal
138479
ek0521
One Hundred and Thirty-Eight Thousand Four Hundred and Seventy-Nine in Base 21 Unovigesimal
138480
ek0621
One Hundred and Thirty-Eight Thousand Four Hundred and Eighty in Base 21 Unovigesimal
138482
ek0821
One Hundred and Thirty-Eight Thousand Four Hundred and Eighty-Two in Base 21 Unovigesimal
138483
ek0921
One Hundred and Thirty-Eight Thousand Four Hundred and Eighty-Three in Base 21 Unovigesimal
138484
ek0a21
One Hundred and Thirty-Eight Thousand Four Hundred and Eighty-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.

1.38481e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00018a70eh68j2a21

The reciprocal of 138481 in Base 21 Unovigesimal.

Palindrome?

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

The number ek0721 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 eighty-one is a composite number with 8 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 four hundred and eighty-one 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 four hundred and eighty-one has the following 3 prime factors:

7
721
Seven in Base 21 Unovigesimal
73
3a21
Seventy-Three in Base 21 Unovigesimal
271
cj21
Two Hundred and Seventy-One in Base 21 Unovigesimal

Prime Factorization

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

7211 · 3a211 · cj211 = ek0721

Base Conversions

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