The Number

409

Four Hundred and Nine

In Base 18 Octodecimal Is

14d18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

406
14a18
Four Hundred and Six in Base 18 Octodecimal
407
14b18
Four Hundred and Seven in Base 18 Octodecimal
408
14c18
Four Hundred and Eight in Base 18 Octodecimal
410
14e18
Four Hundred and Ten in Base 18 Octodecimal
411
14f18
Four Hundred and Eleven in Base 18 Octodecimal
412
14g18
Four Hundred and Twelve in Base 18 Octodecimal

Scientific Notation

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

4.09e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00e4bh88g06615e18

The reciprocal of 409 in Base 18 Octodecimal.

Palindrome?

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

The number 14d18 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Four hundred and nine is the 80th prime number.   See primes in Base 18 Octodecimal

Not A Composite

Composites have more than just these two factors.

Four Hundred and Nine is not a composite number because it has exactly two factors: One and Four Hundred and Nine

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 nine has the following 1 prime factor:

409
14d18
Four Hundred and Nine in Base 18 Octodecimal

Prime Factorization

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

14d181 = 14d18

Base Conversions

The number four hundred and nine in 35 different bases