The Number

128428

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

In Base 15 Quindecimal Is

280bd15

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

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

Nearby Numbers

Positive, nonzero integers within three units

128425
280ba15
One Hundred and Twenty-Eight Thousand Four Hundred and Twenty-Five in Base 15 Quindecimal
128426
280bb15
One Hundred and Twenty-Eight Thousand Four Hundred and Twenty-Six in Base 15 Quindecimal
128427
280bc15
One Hundred and Twenty-Eight Thousand Four Hundred and Twenty-Seven in Base 15 Quindecimal
128429
280be15
One Hundred and Twenty-Eight Thousand Four Hundred and Twenty-Nine in Base 15 Quindecimal
128430
280c015
One Hundred and Twenty-Eight Thousand Four Hundred and Thirty in Base 15 Quindecimal
128431
280c115
One Hundred and Twenty-Eight Thousand Four 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.

1.28428e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005da5cc7a81644c15

The reciprocal of 128428 in Base 15 Quindecimal.

Palindrome?

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

The number 280bd15 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 four hundred and twenty-eight 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 four hundred and twenty-eight 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 four hundred and twenty-eight has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
97
6715
Ninety-Seven in Base 15 Quindecimal
331
17115
Three Hundred and Thirty-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

2152 · 67151 · 171151 = 280bd15

Base Conversions

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