The Number

405

Four Hundred and Five

In Base 4 Quaternary Is

121114

The numbers with a 4 subscript use Base 4 Quaternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

402
121024
Four Hundred and Two in Base 4 Quaternary
403
121034
Four Hundred and Three in Base 4 Quaternary
404
121104
Four Hundred and Four in Base 4 Quaternary
406
121124
Four Hundred and Six in Base 4 Quaternary
407
121134
Four Hundred and Seven in Base 4 Quaternary
408
121204
Four Hundred and Eight in Base 4 Quaternary

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.

0.00002201310103212011113313021224

The reciprocal of 405 in Base 4 Quaternary.

Palindrome?

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

The number 121114 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 4 Quaternary

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
34
Three in Base 4 Quaternary
5
114
Five in Base 4 Quaternary

Prime Factorization

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

344 · 1141 = 121114

Base Conversions

The number four hundred and five in 35 different bases