The Number

138908

One Hundred and Thirty-Eight Thousand Nine Hundred and Eight

In Base 21 Unovigesimal Is

ekke21

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 Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138905
ekkb21
One Hundred and Thirty-Eight Thousand Nine Hundred and Five in Base 21 Unovigesimal
138906
ekkc21
One Hundred and Thirty-Eight Thousand Nine Hundred and Six in Base 21 Unovigesimal
138907
ekkd21
One Hundred and Thirty-Eight Thousand Nine Hundred and Seven in Base 21 Unovigesimal
138909
ekkf21
One Hundred and Thirty-Eight Thousand Nine Hundred and Nine in Base 21 Unovigesimal
138910
ekkg21
One Hundred and Thirty-Eight Thousand Nine Hundred and Ten in Base 21 Unovigesimal
138911
ekkh21
One Hundred and Thirty-Eight Thousand Nine Hundred and Eleven in Base 21 Unovigesimal

Scientific Notation

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

1.38908e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000188912b4f3hce21

The reciprocal of 138908 in Base 21 Unovigesimal.

Palindrome?

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

The number ekke21 is 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 eight is a composite number with 36 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 eight is a composite number with 36 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 eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
41
1k21
Forty-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

2212 · 7211 · b212 · 1k211 = ekke21

Base Conversions

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