The Number

805438

Eight Hundred and Five Thousand Four Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

42k8421

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

For more familiar numbers: See Eight Hundred and Five Thousand Four Hundred and Thirty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

805435
42k8121
Eight Hundred and Five Thousand Four Hundred and Thirty-Five in Base 21 Unovigesimal
805436
42k8221
Eight Hundred and Five Thousand Four Hundred and Thirty-Six in Base 21 Unovigesimal
805437
42k8321
Eight Hundred and Five Thousand Four Hundred and Thirty-Seven in Base 21 Unovigesimal
805439
42k8521
Eight Hundred and Five Thousand Four Hundred and Thirty-Nine in Base 21 Unovigesimal
805440
42k8621
Eight Hundred and Five Thousand Four Hundred and Forty in Base 21 Unovigesimal
805441
42k8721
Eight Hundred and Five Thousand Four Hundred and Forty-One in Base 21 Unovigesimal

Scientific Notation

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

8.05438e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000051a37f52395a21

The reciprocal of 805438 in Base 21 Unovigesimal.

Palindrome?

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

The number 42k8421 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 four hundred and thirty-eight 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.

Eight hundred and five thousand four hundred and thirty-eight 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 eight hundred and five thousand four hundred and thirty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
257
c521
Two Hundred and Fifty-Seven in Base 21 Unovigesimal
1567
3bd21
One Thousand Five 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

2211 · c5211 · 3bd211 = 42k8421

Base Conversions

The number eight hundred and five thousand four hundred and thirty-eight in 35 different bases