The Number

128005

One Hundred and Twenty-Eight Thousand and Five

In Base 15 Quindecimal Is

27dda15

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

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

Nearby Numbers

Positive, nonzero integers within three units

128002
27dd715
One Hundred and Twenty-Eight Thousand and Two in Base 15 Quindecimal
128003
27dd815
One Hundred and Twenty-Eight Thousand and Three in Base 15 Quindecimal
128004
27dd915
One Hundred and Twenty-Eight Thousand and Four in Base 15 Quindecimal
128006
27ddb15
One Hundred and Twenty-Eight Thousand and Six in Base 15 Quindecimal
128007
27ddc15
One Hundred and Twenty-Eight Thousand and Seven in Base 15 Quindecimal
128008
27ddd15
One Hundred and Twenty-Eight Thousand and Eight in Base 15 Quindecimal

Scientific Notation

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

1.28005e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005debc030d253d815

The reciprocal of 128005 in Base 15 Quindecimal.

Palindrome?

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

The number 27dda15 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 and five is a composite number with 4 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 and five is a composite number with 4 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 and five has the following 2 prime factors:

5
515
Five in Base 15 Quindecimal
25601
78bb15
Twenty-Five Thousand Six Hundred and 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

5151 · 78bb151 = 27dda15

Base Conversions

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