The Number

72813

Seventy-Two Thousand Eight Hundred and Thirteen

In Base 21 Unovigesimal Is

7i2621

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Seventy-Two Thousand Eight Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

72810
7i2321
Seventy-Two Thousand Eight Hundred and Ten in Base 21 Unovigesimal
72811
7i2421
Seventy-Two Thousand Eight Hundred and Eleven in Base 21 Unovigesimal
72812
7i2521
Seventy-Two Thousand Eight Hundred and Twelve in Base 21 Unovigesimal
72814
7i2721
Seventy-Two Thousand Eight Hundred and Fourteen in Base 21 Unovigesimal
72815
7i2821
Seventy-Two Thousand Eight Hundred and Fifteen in Base 21 Unovigesimal
72816
7i2921
Seventy-Two Thousand Eight Hundred and Sixteen in Base 21 Unovigesimal

Scientific Notation

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

7.2813e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002e1ih057bgieh21

The reciprocal of 72813 in Base 21 Unovigesimal.

Palindrome?

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

The number 7i2621 is not a palindrome.

Not A Prime Number

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

Seventy-two thousand eight hundred and thirteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Seventy-two thousand eight hundred and thirteen is a composite number with 8 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 seventy-two thousand eight hundred and thirteen has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
1867
44j21
One Thousand Eight Hundred and Sixty-Seven in Base 21 Unovigesimal

Prime Factorization

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

3211 · d211 · 44j211 = 7i2621

Base Conversions

The number seventy-two thousand eight hundred and thirteen in 35 different bases