The Number

405

Four Hundred and Five

In Base 5 Quinary Is

31105

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

402
31025
Four Hundred and Two in Base 5 Quinary
403
31035
Four Hundred and Three in Base 5 Quinary
404
31045
Four Hundred and Four in Base 5 Quinary
406
31115
Four Hundred and Six in Base 5 Quinary
407
31125
Four Hundred and Seven in Base 5 Quinary
408
31135
Four Hundred and Eight in Base 5 Quinary

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.

0.0001232422311343340314414235

The reciprocal of 405 in Base 5 Quinary.

Palindrome?

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

The number 31105 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 5 Quinary

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
35
Three in Base 5 Quinary
5
105
Five in Base 5 Quinary

Prime Factorization

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

354 · 1051 = 31105

Base Conversions

The number four hundred and five in 35 different bases