The Number

138800

One Hundred and Thirty-Eight Thousand Eight Hundred

In Base 21 Unovigesimal Is

ekfb21

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

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

Nearby Numbers

Positive, nonzero integers within three units

138797
ekf821
One Hundred and Thirty-Eight Thousand Seven Hundred and Ninety-Seven in Base 21 Unovigesimal
138798
ekf921
One Hundred and Thirty-Eight Thousand Seven Hundred and Ninety-Eight in Base 21 Unovigesimal
138799
ekfa21
One Hundred and Thirty-Eight Thousand Seven Hundred and Ninety-Nine in Base 21 Unovigesimal
138801
ekfc21
One Hundred and Thirty-Eight Thousand Eight Hundred and One in Base 21 Unovigesimal
138802
ekfd21
One Hundred and Thirty-Eight Thousand Eight Hundred and Two in Base 21 Unovigesimal
138803
ekfe21
One Hundred and Thirty-Eight Thousand Eight Hundred and 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.

1.38800e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000188j2kf365ce821

The reciprocal of 138800 in Base 21 Unovigesimal.

Palindrome?

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

The number ekfb21 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 eight hundred is a composite number with 30 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 eight hundred is a composite number with 30 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 eight hundred has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
347
gb21
Three 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

2214 · 5212 · gb211 = ekfb21

Base Conversions

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