The Number

66728

Sixty-Six Thousand Seven Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

746b21

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

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

Nearby Numbers

Positive, nonzero integers within three units

66725
746821
Sixty-Six Thousand Seven Hundred and Twenty-Five in Base 21 Unovigesimal
66726
746921
Sixty-Six Thousand Seven Hundred and Twenty-Six in Base 21 Unovigesimal
66727
746a21
Sixty-Six Thousand Seven Hundred and Twenty-Seven in Base 21 Unovigesimal
66729
746c21
Sixty-Six Thousand Seven Hundred and Twenty-Nine in Base 21 Unovigesimal
66730
746d21
Sixty-Six Thousand Seven Hundred and Thirty in Base 21 Unovigesimal
66731
746e21
Sixty-Six 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.

6.6728e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002j46a8eidie221

The reciprocal of 66728 in Base 21 Unovigesimal.

Palindrome?

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

The number 746b21 is not a palindrome.

Not A Prime Number

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

Sixty-six thousand seven hundred and twenty-eight is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Sixty-six thousand seven hundred and twenty-eight 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 sixty-six thousand seven hundred and twenty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
439
kj21
Four Hundred and Thirty-Nine in Base 21 Unovigesimal

Prime Factorization

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

2213 · j211 · kj211 = 746b21

Base Conversions

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