The Number

21028

Twenty-One Thousand and Twenty-Eight

In Base 28 Octovigesimal Is

qn028

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21025
qmp28
Twenty-One Thousand and Twenty-Five in Base 28 Octovigesimal
21026
qmq28
Twenty-One Thousand and Twenty-Six in Base 28 Octovigesimal
21027
qmr28
Twenty-One Thousand and Twenty-Seven in Base 28 Octovigesimal
21029
qn128
Twenty-One Thousand and Twenty-Nine in Base 28 Octovigesimal
21030
qn228
Twenty-One Thousand and Thirty in Base 28 Octovigesimal
21031
qn328
Twenty-One Thousand and Thirty-One in Base 28 Octovigesimal

Scientific Notation

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

2.1028e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00116cgno3c15b28

The reciprocal of 21028 in Base 28 Octovigesimal.

Palindrome?

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

The number qn028 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand and twenty-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and twenty-eight is a composite number with 12 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-one thousand and twenty-eight has the following 3 prime factors:

2
228
Two in Base 28 Octovigesimal
7
728
Seven in Base 28 Octovigesimal
751
qn28
Seven Hundred and Fifty-One in Base 28 Octovigesimal

Prime Factorization

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

2282 · 7281 · qn281 = qn028

Base Conversions

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