The Number

128145

One Hundred and Twenty-Eight Thousand One Hundred and Forty-Five

In Base 15 Quindecimal Is

27e8015

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 Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128142
27e7c15
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Two in Base 15 Quindecimal
128143
27e7d15
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Three in Base 15 Quindecimal
128144
27e7e15
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Four in Base 15 Quindecimal
128146
27e8115
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Six in Base 15 Quindecimal
128147
27e8215
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Seven in Base 15 Quindecimal
128148
27e8315
One Hundred and Twenty-Eight Thousand One Hundred and Forty-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.

1.28145e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005dd4dd8149aad215

The reciprocal of 128145 in Base 15 Quindecimal.

Palindrome?

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

The number 27e8015 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 forty-five 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 twenty-eight thousand one hundred and forty-five 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 twenty-eight thousand one hundred and forty-five has the following 3 prime factors:

3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
8543
27e815
Eight Thousand Five Hundred and Forty-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 · 5151 · 27e8151 = 27e8015

Base Conversions

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