The Number

800405

Eight Hundred Thousand Four Hundred and Five

In Base 21 Unovigesimal Is

428kb21

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

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

Nearby Numbers

Positive, nonzero integers within three units

800402
428k821
Eight Hundred Thousand Four Hundred and Two in Base 21 Unovigesimal
800403
428k921
Eight Hundred Thousand Four Hundred and Three in Base 21 Unovigesimal
800404
428ka21
Eight Hundred Thousand Four Hundred and Four in Base 21 Unovigesimal
800406
428kc21
Eight Hundred Thousand Four Hundred and Six in Base 21 Unovigesimal
800407
428kd21
Eight Hundred Thousand Four Hundred and Seven in Base 21 Unovigesimal
800408
428ke21
Eight Hundred Thousand Four Hundred and Eight in Base 21 Unovigesimal

Scientific Notation

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

8.00405e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005234de6hk651h21

The reciprocal of 800405 in Base 21 Unovigesimal.

Palindrome?

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

The number 428kb21 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 thousand four hundred and five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eight hundred thousand four hundred and five is a composite number with 4 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 thousand four hundred and five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
160081
h5kj21
One Hundred and Sixty Thousand and Eighty-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

5211 · h5kj211 = 428kb21

Base Conversions

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