The Number

405

Four Hundred and Five

In Base 28 Octovigesimal Is

ed28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

402
ea28
Four Hundred and Two in Base 28 Octovigesimal
403
eb28
Four Hundred and Three in Base 28 Octovigesimal
404
ec28
Four Hundred and Four in Base 28 Octovigesimal
406
ee28
Four Hundred and Six in Base 28 Octovigesimal
407
ef28
Four Hundred and Seven in Base 28 Octovigesimal
408
eg28
Four Hundred and Eight in Base 28 Octovigesimal

Scientific Notation

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

4.05e2

Reciprocal

A number multiplied with its reciprocal is one.

0.01q5ikgo9b7eq28

The reciprocal of 405 in Base 28 Octovigesimal.

Palindrome?

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

The number ed28 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 is a composite number with 10 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Four hundred and five is a composite number with 10 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 has the following 2 prime factors:

3
328
Three in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3284 · 5281 = ed28

Base Conversions

The number four hundred and five in 35 different bases