The Number

21729

Twenty-One Thousand Seven Hundred and Twenty-Nine

In Base 28 Octovigesimal Is

rk128

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

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

Nearby Numbers

Positive, nonzero integers within three units

21726
rjq28
Twenty-One Thousand Seven Hundred and Twenty-Six in Base 28 Octovigesimal
21727
rjr28
Twenty-One Thousand Seven Hundred and Twenty-Seven in Base 28 Octovigesimal
21728
rk028
Twenty-One Thousand Seven Hundred and Twenty-Eight in Base 28 Octovigesimal
21730
rk228
Twenty-One Thousand Seven Hundred and Thirty in Base 28 Octovigesimal
21731
rk328
Twenty-One Thousand Seven Hundred and Thirty-One in Base 28 Octovigesimal
21732
rk428
Twenty-One Thousand Seven Hundred and Thirty-Two in Base 28 Octovigesimal

Scientific Notation

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

2.1729e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001081827a0gmm28

The reciprocal of 21729 in Base 28 Octovigesimal.

Palindrome?

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

The number rk128 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 seven hundred and twenty-nine is a composite number with 4 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 seven hundred and twenty-nine is a composite number with 4 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 seven hundred and twenty-nine has the following 2 prime factors:

3
328
Three in Base 28 Octovigesimal
7243
96j28
Seven Thousand Two Hundred and Forty-Three in Base 28 Octovigesimal

Prime Factorization

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

3281 · 96j281 = rk128

Base Conversions

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