The Number

128424

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

In Base 15 Quindecimal Is

280b915

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-Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128421
280b615
One Hundred and Twenty-Eight Thousand Four Hundred and Twenty-One in Base 15 Quindecimal
128422
280b715
One Hundred and Twenty-Eight Thousand Four Hundred and Twenty-Two in Base 15 Quindecimal
128423
280b815
One Hundred and Twenty-Eight Thousand Four Hundred and Twenty-Three in Base 15 Quindecimal
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

Scientific Notation

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

1.28424e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005da67257161cd715

The reciprocal of 128424 in Base 15 Quindecimal.

Palindrome?

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

The number 280b915 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-four is a composite number with 16 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-four is a composite number with 16 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-four has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
5351
18bb15
Five Thousand Three Hundred and Fifty-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

2153 · 3151 · 18bb151 = 280b915

Base Conversions

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