The Number

405028

Four Hundred and Five Thousand and Twenty-Eight

In Base 21 Unovigesimal Is

21f9121

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

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

Nearby Numbers

Positive, nonzero integers within three units

405025
21f8j21
Four Hundred and Five Thousand and Twenty-Five in Base 21 Unovigesimal
405026
21f8k21
Four Hundred and Five Thousand and Twenty-Six in Base 21 Unovigesimal
405027
21f9021
Four Hundred and Five Thousand and Twenty-Seven in Base 21 Unovigesimal
405029
21f9221
Four Hundred and Five Thousand and Twenty-Nine in Base 21 Unovigesimal
405030
21f9321
Four Hundred and Five Thousand and Thirty in Base 21 Unovigesimal
405031
21f9421
Four Hundred and Five Thousand and Thirty-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.

4.05028e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a1fh6f33816121

The reciprocal of 405028 in Base 21 Unovigesimal.

Palindrome?

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

The number 21f9121 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 twenty-eight 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 twenty-eight 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 twenty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
7789
hdj21
Seven Thousand Seven Hundred and Eighty-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

2212 · d211 · hdj211 = 21f9121

Base Conversions

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