The Number

20409

Twenty Thousand Four Hundred and Nine

In Base 18 Octodecimal Is

38hf18

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

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

Nearby Numbers

Positive, nonzero integers within three units

20406
38hc18
Twenty Thousand Four Hundred and Six in Base 18 Octodecimal
20407
38hd18
Twenty Thousand Four Hundred and Seven in Base 18 Octodecimal
20408
38he18
Twenty Thousand Four Hundred and Eight in Base 18 Octodecimal
20410
38hg18
Twenty Thousand Four Hundred and Ten in Base 18 Octodecimal
20411
38hh18
Twenty Thousand Four Hundred and Eleven in Base 18 Octodecimal
20412
390018
Twenty Thousand 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.

2.0409e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00052a99gd5gga4518

The reciprocal of 20409 in Base 18 Octodecimal.

Palindrome?

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

The number 38hf18 is not a palindrome.

Not A Prime Number

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

Twenty thousand four hundred and nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand four hundred and nine is a composite number with 4 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 twenty thousand four hundred and nine has the following 2 prime factors:

3
318
Three in Base 18 Octodecimal
6803
12hh18
Six Thousand Eight Hundred and Three in Base 18 Octodecimal

Prime Factorization

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

3181 · 12hh181 = 38hf18

Base Conversions

The number twenty thousand four hundred and nine in 35 different bases