The Number

405045

Four Hundred and Five Thousand and Forty-Five

In Base 21 Unovigesimal Is

21f9i21

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

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

Nearby Numbers

Positive, nonzero integers within three units

405042
21f9f21
Four Hundred and Five Thousand and Forty-Two in Base 21 Unovigesimal
405043
21f9g21
Four Hundred and Five Thousand and Forty-Three in Base 21 Unovigesimal
405044
21f9h21
Four Hundred and Five Thousand and Forty-Four in Base 21 Unovigesimal
405046
21f9j21
Four Hundred and Five Thousand and Forty-Six in Base 21 Unovigesimal
405047
21f9k21
Four Hundred and Five Thousand and Forty-Seven in Base 21 Unovigesimal
405048
21fa021
Four Hundred and Five Thousand and Forty-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.

4.05045e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a1fd88eke6i321

The reciprocal of 405045 in Base 21 Unovigesimal.

Palindrome?

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

The number 21f9i21 is not a palindrome.

Not A Prime Number

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

Four hundred and five thousand and forty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Four hundred and five thousand and forty-five is a composite number with 12 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 four hundred and five thousand and forty-five has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
9001
k8d21
Nine Thousand and 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

3212 · 5211 · k8d211 = 21f9i21

Base Conversions

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