The Number

20421

Twenty Thousand Four Hundred and Twenty-One

In Base 28 Octovigesimal Is

q1928

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

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

Nearby Numbers

Positive, nonzero integers within three units

20418
q1628
Twenty Thousand Four Hundred and Eightteen in Base 28 Octovigesimal
20419
q1728
Twenty Thousand Four Hundred and Nineteen in Base 28 Octovigesimal
20420
q1828
Twenty Thousand Four Hundred and Twenty in Base 28 Octovigesimal
20422
q1a28
Twenty Thousand Four Hundred and Twenty-Two in Base 28 Octovigesimal
20423
q1b28
Twenty Thousand Four Hundred and Twenty-Three in Base 28 Octovigesimal
20424
q1c28
Twenty Thousand Four 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.

2.0421e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00122llp0233cl28

The reciprocal of 20421 in Base 28 Octovigesimal.

Palindrome?

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

The number q1928 is not a palindrome.

Not A Prime Number

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

Twenty thousand four hundred and twenty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand four hundred and twenty-one is a composite number with 6 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 thousand four hundred and twenty-one has the following 2 prime factors:

3
328
Three in Base 28 Octovigesimal
2269
2p128
Two Thousand Two Hundred and Sixty-Nine in Base 28 Octovigesimal

Prime Factorization

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

3282 · 2p1281 = q1928

Base Conversions

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