The Number

138538

One Hundred and Thirty-Eight Thousand Five Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

ek3121

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

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

Nearby Numbers

Positive, nonzero integers within three units

138535
ek2j21
One Hundred and Thirty-Eight Thousand Five Hundred and Thirty-Five in Base 21 Unovigesimal
138536
ek2k21
One Hundred and Thirty-Eight Thousand Five Hundred and Thirty-Six in Base 21 Unovigesimal
138537
ek3021
One Hundred and Thirty-Eight Thousand Five Hundred and Thirty-Seven in Base 21 Unovigesimal
138539
ek3221
One Hundred and Thirty-Eight Thousand Five Hundred and Thirty-Nine in Base 21 Unovigesimal
138540
ek3321
One Hundred and Thirty-Eight Thousand Five Hundred and Forty in Base 21 Unovigesimal
138541
ek3421
One Hundred and Thirty-Eight Thousand Five Hundred and Forty-One in Base 21 Unovigesimal

Scientific Notation

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

1.38538e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00018a1e6jic43cb21

The reciprocal of 138538 in Base 21 Unovigesimal.

Palindrome?

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

The number ek3121 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 five hundred and thirty-eight 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 five hundred and thirty-eight 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 five hundred and thirty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
113
5821
One Hundred and Thirteen in Base 21 Unovigesimal
613
18421
Six Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

2211 · 58211 · 184211 = ek3121

Base Conversions

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