The Number

138728

One Hundred and Thirty-Eight Thousand Seven Hundred and Twenty-Eight

In Base 15 Quindecimal Is

2b18815

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

138725
2b18515
One Hundred and Thirty-Eight Thousand Seven Hundred and Twenty-Five in Base 15 Quindecimal
138726
2b18615
One Hundred and Thirty-Eight Thousand Seven Hundred and Twenty-Six in Base 15 Quindecimal
138727
2b18715
One Hundred and Thirty-Eight Thousand Seven Hundred and Twenty-Seven in Base 15 Quindecimal
138729
2b18915
One Hundred and Thirty-Eight Thousand Seven Hundred and Twenty-Nine in Base 15 Quindecimal
138730
2b18a15
One Hundred and Thirty-Eight Thousand Seven Hundred and Thirty in Base 15 Quindecimal
138731
2b18b15
One Hundred and Thirty-Eight Thousand Seven Hundred and Thirty-One in Base 15 Quindecimal

Scientific Notation

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

1.38728e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000571932de86479715

The reciprocal of 138728 in Base 15 Quindecimal.

Palindrome?

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

The number 2b18815 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 twenty-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-eight thousand seven hundred and twenty-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 seven hundred and twenty-eight has the following 2 prime factors:

2
215
Two in Base 15 Quindecimal
17341
521115
Seventeen Thousand Three Hundred and Forty-One in Base 15 Quindecimal

Prime Factorization

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

2153 · 5211151 = 2b18815

Base Conversions

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