The Number

72808

Seventy-Two Thousand Eight Hundred and Eight

In Base 21 Unovigesimal Is

7i2121

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

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

Nearby Numbers

Positive, nonzero integers within three units

72805
7i1j21
Seventy-Two Thousand Eight Hundred and Five in Base 21 Unovigesimal
72806
7i1k21
Seventy-Two Thousand Eight Hundred and Six in Base 21 Unovigesimal
72807
7i2021
Seventy-Two Thousand Eight Hundred and Seven in Base 21 Unovigesimal
72809
7i2221
Seventy-Two Thousand Eight Hundred and Nine in Base 21 Unovigesimal
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

Scientific Notation

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

7.2808e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002e1kae80ehadb21

The reciprocal of 72808 in Base 21 Unovigesimal.

Palindrome?

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

The number 7i2121 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 eight is a composite number with 16 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 eight is a composite number with 16 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 eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
479
11h21
Four Hundred and Seventy-Nine in Base 21 Unovigesimal

Prime Factorization

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

2213 · j211 · 11h211 = 7i2121

Base Conversions

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