The Number

20921

Twenty Thousand Nine Hundred and Twenty-One

In Base 28 Octovigesimal Is

qj528

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

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

Nearby Numbers

Positive, nonzero integers within three units

20918
qj228
Twenty Thousand Nine Hundred and Eightteen in Base 28 Octovigesimal
20919
qj328
Twenty Thousand Nine Hundred and Nineteen in Base 28 Octovigesimal
20920
qj428
Twenty Thousand Nine Hundred and Twenty in Base 28 Octovigesimal
20922
qj628
Twenty Thousand Nine Hundred and Twenty-Two in Base 28 Octovigesimal
20923
qj728
Twenty Thousand Nine Hundred and Twenty-Three in Base 28 Octovigesimal
20924
qj828
Twenty Thousand Nine Hundred and Twenty-Four in Base 28 Octovigesimal

Scientific Notation

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

2.0921e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0011ahmhkalgh228

The reciprocal of 20921 in Base 28 Octovigesimal.

Palindrome?

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

The number qj528 is not a palindrome.

A Prime Number

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

Twenty thousand nine hundred and twenty-one is the 2353rd prime number.   See primes in Base 28 Octovigesimal

Not A Composite

Composites have more than just these two factors.

Twenty Thousand Nine Hundred and Twenty-One is not a composite number because it has exactly two factors: One and Twenty Thousand Nine Hundred and Twenty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty thousand nine hundred and twenty-one has the following 1 prime factor:

20921
qj528
Twenty Thousand Nine Hundred and Twenty-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

qj5281 = qj528

Base Conversions

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