The Number

138990

One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety

In Base 20 Vigesimal Is

h79a20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

138987
h79720
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Seven in Base 20 Vigesimal
138988
h79820
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Eight in Base 20 Vigesimal
138989
h79920
One Hundred and Thirty-Eight Thousand Nine Hundred and Eighty-Nine in Base 20 Vigesimal
138991
h79b20
One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-One in Base 20 Vigesimal
138992
h79c20
One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-Two in Base 20 Vigesimal
138993
h79d20
One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-Three in Base 20 Vigesimal

Scientific Notation

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

1.38990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00013095i514hhb20

The reciprocal of 138990 in Base 20 Vigesimal.

Palindrome?

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

The number h79a20 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 nine hundred and ninety is a composite number with 32 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-eight thousand nine hundred and ninety is a composite number with 32 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 ninety has the following 5 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
41
2120
Forty-One in Base 20 Vigesimal
113
5d20
One Hundred and Thirteen in Base 20 Vigesimal

Prime Factorization

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

2201 · 3201 · 5201 · 21201 · 5d201 = h79a20

Base Conversions

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