The Number

128121

One Hundred and Twenty-Eight Thousand One Hundred and Twenty-One

In Base 15 Quindecimal Is

27e6615

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 Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128118
27e6315
One Hundred and Twenty-Eight Thousand One Hundred and Eightteen in Base 15 Quindecimal
128119
27e6415
One Hundred and Twenty-Eight Thousand One Hundred and Nineteen in Base 15 Quindecimal
128120
27e6515
One Hundred and Twenty-Eight Thousand One Hundred and Twenty in Base 15 Quindecimal
128122
27e6715
One Hundred and Twenty-Eight Thousand One Hundred and Twenty-Two in Base 15 Quindecimal
128123
27e6815
One Hundred and Twenty-Eight Thousand One Hundred and Twenty-Three in Base 15 Quindecimal
128124
27e6915
One Hundred and Twenty-Eight Thousand One Hundred and Twenty-Four in Base 15 Quindecimal

Scientific Notation

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

1.28121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005dd8a1751194e415

The reciprocal of 128121 in Base 15 Quindecimal.

Palindrome?

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

The number 27e6615 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 twenty-one 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 twenty-one 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 twenty-one has the following 3 prime factors:

3
315
Three in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
6101
1c1b15
Six Thousand One 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

3151 · 7151 · 1c1b151 = 27e6615

Base Conversions

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