The Number

405

Four Hundred and Five

In Base 9 Nonary Is

5009

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

402
4869
Four Hundred and Two in Base 9 Nonary
403
4879
Four Hundred and Three in Base 9 Nonary
404
4889
Four Hundred and Four in Base 9 Nonary
406
5019
Four Hundred and Six in Base 9 Nonary
407
5029
Four Hundred and Seven in Base 9 Nonary
408
5039
Four Hundred and Eight in Base 9 Nonary

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.

0.00171717171717171729

The reciprocal of 405 in Base 9 Nonary.

Palindrome?

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

The number 5009 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 9 Nonary

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
39
Three in Base 9 Nonary
5
59
Five in Base 9 Nonary

Prime Factorization

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

394 · 591 = 5009

Base Conversions

The number four hundred and five in 35 different bases