The Number

805640

Eight Hundred and Five Thousand Six Hundred and Forty

In Base 21 Unovigesimal Is

42khh21

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

For more familiar numbers: See Eight Hundred and Five Thousand Six Hundred and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

805637
42khe21
Eight Hundred and Five Thousand Six Hundred and Thirty-Seven in Base 21 Unovigesimal
805638
42khf21
Eight Hundred and Five Thousand Six Hundred and Thirty-Eight in Base 21 Unovigesimal
805639
42khg21
Eight Hundred and Five Thousand Six Hundred and Thirty-Nine in Base 21 Unovigesimal
805641
42khi21
Eight Hundred and Five Thousand Six Hundred and Forty-One in Base 21 Unovigesimal
805642
42khj21
Eight Hundred and Five Thousand Six Hundred and Forty-Two in Base 21 Unovigesimal
805643
42khk21
Eight Hundred and Five Thousand Six Hundred and Forty-Three in Base 21 Unovigesimal

Scientific Notation

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

8.05640e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000519cc9gjfai721

The reciprocal of 805640 in Base 21 Unovigesimal.

Palindrome?

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

The number 42khh21 is not a palindrome.

Not A Prime Number

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

Eight hundred and five thousand six hundred and forty is a composite number with 32 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eight hundred and five thousand six hundred and forty is a composite number with 32 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 eight hundred and five thousand six hundred and forty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
1831
43421
One Thousand Eight Hundred and Thirty-One 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 · 5211 · b211 · 434211 = 42khh21

Base Conversions

The number eight hundred and five thousand six hundred and forty in 35 different bases