The Number

1728

One Thousand Seven Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

3j621

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

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

Nearby Numbers

Positive, nonzero integers within three units

1725
3j321
One Thousand Seven Hundred and Twenty-Five in Base 21 Unovigesimal
1726
3j421
One Thousand Seven Hundred and Twenty-Six in Base 21 Unovigesimal
1727
3j521
One Thousand Seven Hundred and Twenty-Seven in Base 21 Unovigesimal
1729
3j721
One Thousand Seven Hundred and Twenty-Nine in Base 21 Unovigesimal
1730
3j821
One Thousand Seven Hundred and Thirty in Base 21 Unovigesimal
1731
3j921
One Thousand Seven Hundred and Thirty-One in Base 21 Unovigesimal

Scientific Notation

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

1.728e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0057ba3cgf8i0ke21

The reciprocal of 1728 in Base 21 Unovigesimal.

Palindrome?

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

The number 3j621 is not a palindrome.

Not A Prime Number

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

One thousand seven hundred and twenty-eight is a composite number with 28 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One thousand seven hundred and twenty-eight is a composite number with 28 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 thousand seven hundred and twenty-eight has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
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

2216 · 3213 = 3j621

Base Conversions

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