The Number

128139

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

In Base 15 Quindecimal Is

27e7915

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

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

Nearby Numbers

Positive, nonzero integers within three units

128136
27e7615
One Hundred and Twenty-Eight Thousand One Hundred and Thirty-Six in Base 15 Quindecimal
128137
27e7715
One Hundred and Twenty-Eight Thousand One Hundred and Thirty-Seven in Base 15 Quindecimal
128138
27e7815
One Hundred and Twenty-Eight Thousand One Hundred and Thirty-Eight in Base 15 Quindecimal
128140
27e7a15
One Hundred and Twenty-Eight Thousand One Hundred and Forty in Base 15 Quindecimal
128141
27e7b15
One Hundred and Twenty-Eight Thousand One Hundred and Forty-One in Base 15 Quindecimal
128142
27e7c15
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Two in Base 15 Quindecimal

Scientific Notation

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

1.28139e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005dd5ce3a8cbec315

The reciprocal of 128139 in Base 15 Quindecimal.

Palindrome?

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

The number 27e7915 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 twenty-eight thousand one hundred and thirty-nine is a composite number with 12 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 twenty-eight thousand one hundred and thirty-nine is a composite number with 12 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 twenty-eight thousand one hundred and thirty-nine has the following 3 prime factors:

3
315
Three in Base 15 Quindecimal
11
b15
Eleven in Base 15 Quindecimal
353
18815
Three Hundred and Fifty-Three in Base 15 Quindecimal

Prime Factorization

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

3151 · b152 · 188151 = 27e7915

Base Conversions

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