The Number

20728

Twenty Thousand Seven Hundred and Twenty-Eight

In Base 15 Quindecimal Is

621d15

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

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

Nearby Numbers

Positive, nonzero integers within three units

20725
621a15
Twenty Thousand Seven Hundred and Twenty-Five in Base 15 Quindecimal
20726
621b15
Twenty Thousand Seven Hundred and Twenty-Six in Base 15 Quindecimal
20727
621c15
Twenty Thousand Seven Hundred and Twenty-Seven in Base 15 Quindecimal
20729
621e15
Twenty Thousand Seven Hundred and Twenty-Nine in Base 15 Quindecimal
20730
622015
Twenty Thousand Seven Hundred and Thirty in Base 15 Quindecimal
20731
622115
Twenty Thousand Seven 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.

2.0728e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002697dd609b0bbe15

The reciprocal of 20728 in Base 15 Quindecimal.

Palindrome?

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

The number 621d15 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty thousand seven hundred and twenty-eight 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.

Twenty thousand seven hundred and twenty-eight 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 twenty thousand seven hundred and twenty-eight has the following 2 prime factors:

2
215
Two in Base 15 Quindecimal
2591
b7b15
Two Thousand Five Hundred and Ninety-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 · b7b151 = 621d15

Base Conversions

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