The Number

21372

Twenty-One Thousand Three Hundred and Seventy-Two

In Base 28 Octovigesimal Is

r7828

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

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

Nearby Numbers

Positive, nonzero integers within three units

21369
r7528
Twenty-One Thousand Three Hundred and Sixty-Nine in Base 28 Octovigesimal
21370
r7628
Twenty-One Thousand Three Hundred and Seventy in Base 28 Octovigesimal
21371
r7728
Twenty-One Thousand Three Hundred and Seventy-One in Base 28 Octovigesimal
21373
r7928
Twenty-One Thousand Three Hundred and Seventy-Three in Base 28 Octovigesimal
21374
r7a28
Twenty-One Thousand Three Hundred and Seventy-Four in Base 28 Octovigesimal
21375
r7b28
Twenty-One Thousand Three Hundred and Seventy-Five in Base 28 Octovigesimal

Scientific Notation

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

2.1372e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010l7kk99568728

The reciprocal of 21372 in Base 28 Octovigesimal.

Palindrome?

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

The number r7828 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 three hundred and seventy-two is a composite number with 24 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 three hundred and seventy-two is a composite number with 24 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 three hundred and seventy-two has the following 4 prime factors:

2
228
Two in Base 28 Octovigesimal
3
328
Three in Base 28 Octovigesimal
13
d28
Thirteen in Base 28 Octovigesimal
137
4p28
One Hundred and Thirty-Seven 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 · 3281 · d281 · 4p281 = r7828

Base Conversions

The number twenty-one thousand three hundred and seventy-two in 35 different bases