The Number

3728

Three Thousand Seven Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

89b21

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

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

Nearby Numbers

Positive, nonzero integers within three units

3725
89821
Three Thousand Seven Hundred and Twenty-Five in Base 21 Unovigesimal
3726
89921
Three Thousand Seven Hundred and Twenty-Six in Base 21 Unovigesimal
3727
89a21
Three Thousand Seven Hundred and Twenty-Seven in Base 21 Unovigesimal
3729
89c21
Three Thousand Seven Hundred and Twenty-Nine in Base 21 Unovigesimal
3730
89d21
Three Thousand Seven Hundred and Thirty in Base 21 Unovigesimal
3731
89e21
Three 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.

3.728e3

Reciprocal

A number multiplied with its reciprocal is one.

0.002a3ajcg8c87e21

The reciprocal of 3728 in Base 21 Unovigesimal.

Palindrome?

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

The number 89b21 is not a palindrome.

Not A Prime Number

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

Three thousand seven hundred and twenty-eight is a composite number with 10 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Three thousand seven hundred and twenty-eight is a composite number with 10 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 three thousand seven hundred and twenty-eight has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
233
b221
Two Hundred and Thirty-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

2214 · b2211 = 89b21

Base Conversions

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