The Number

728861

Seven Hundred and Twenty-Eight Thousand Eight Hundred and Sixty-One

In Base 21 Unovigesimal Is

3fefe21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

728858
3fefb21
Seven Hundred and Twenty-Eight Thousand Eight Hundred and Fifty-Eight in Base 21 Unovigesimal
728859
3fefc21
Seven Hundred and Twenty-Eight Thousand Eight Hundred and Fifty-Nine in Base 21 Unovigesimal
728860
3fefd21
Seven Hundred and Twenty-Eight Thousand Eight Hundred and Sixty in Base 21 Unovigesimal
728862
3feff21
Seven Hundred and Twenty-Eight Thousand Eight Hundred and Sixty-Two in Base 21 Unovigesimal
728863
3fefg21
Seven Hundred and Twenty-Eight Thousand Eight Hundred and Sixty-Three in Base 21 Unovigesimal
728864
3fefh21
Seven Hundred and Twenty-Eight Thousand Eight Hundred and Sixty-Four in Base 21 Unovigesimal

Scientific Notation

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

7.28861e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005ce223e37c8d21

The reciprocal of 728861 in Base 21 Unovigesimal.

Palindrome?

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

The number 3fefe21 is not a palindrome.

Not A Prime Number

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

Seven hundred and twenty-eight thousand eight hundred and sixty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Seven hundred and twenty-eight thousand eight hundred and sixty-one is a composite number with 4 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 seven hundred and twenty-eight thousand eight hundred and sixty-one has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
104123
b52521
One Hundred and Four Thousand One Hundred and Twenty-Three in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

7211 · b525211 = 3fefe21

Base Conversions

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