The Number

138740

One Hundred and Thirty-Eight Thousand Seven Hundred and Forty

In Base 21 Unovigesimal Is

ekce21

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

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

Nearby Numbers

Positive, nonzero integers within three units

138737
ekcb21
One Hundred and Thirty-Eight Thousand Seven Hundred and Thirty-Seven in Base 21 Unovigesimal
138738
ekcc21
One Hundred and Thirty-Eight Thousand Seven Hundred and Thirty-Eight in Base 21 Unovigesimal
138739
ekcd21
One Hundred and Thirty-Eight Thousand Seven Hundred and Thirty-Nine in Base 21 Unovigesimal
138741
ekcf21
One Hundred and Thirty-Eight Thousand Seven Hundred and Forty-One in Base 21 Unovigesimal
138742
ekcg21
One Hundred and Thirty-Eight Thousand Seven Hundred and Forty-Two in Base 21 Unovigesimal
138743
ekch21
One Hundred and Thirty-Eight Thousand Seven 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.

1.38740e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001893fha42878821

The reciprocal of 138740 in Base 21 Unovigesimal.

Palindrome?

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

The number ekce21 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 seven hundred and forty is a composite number with 24 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 seven hundred and forty is a composite number with 24 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 seven hundred and forty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
991
25421
Nine Hundred and Ninety-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 · 5211 · 7211 · 254211 = ekce21

Base Conversions

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