The Number

405128

Four Hundred and Five Thousand One Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

21fdh21

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

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

Nearby Numbers

Positive, nonzero integers within three units

405125
21fde21
Four Hundred and Five Thousand One Hundred and Twenty-Five in Base 21 Unovigesimal
405126
21fdf21
Four Hundred and Five Thousand One Hundred and Twenty-Six in Base 21 Unovigesimal
405127
21fdg21
Four Hundred and Five Thousand One Hundred and Twenty-Seven in Base 21 Unovigesimal
405129
21fdi21
Four Hundred and Five Thousand One Hundred and Twenty-Nine in Base 21 Unovigesimal
405130
21fdj21
Four Hundred and Five Thousand One Hundred and Thirty in Base 21 Unovigesimal
405131
21fdk21
Four Hundred and Five Thousand One Hundred 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.

4.05128e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a1ef5dk235ic21

The reciprocal of 405128 in Base 21 Unovigesimal.

Palindrome?

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

The number 21fdh21 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 one hundred and twenty-eight is a composite number with 16 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 one hundred and twenty-eight is a composite number with 16 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 one hundred and twenty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
89
4521
Eighty-Nine in Base 21 Unovigesimal
569
16221
Five Hundred and Sixty-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

2213 · 45211 · 162211 = 21fdh21

Base Conversions

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