The Number

20405

Twenty Thousand Four Hundred and Five

In Base 9 Nonary Is

308829

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

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

Nearby Numbers

Positive, nonzero integers within three units

20402
308789
Twenty Thousand Four Hundred and Two in Base 9 Nonary
20403
308809
Twenty Thousand Four Hundred and Three in Base 9 Nonary
20404
308819
Twenty Thousand Four Hundred and Four in Base 9 Nonary
20406
308839
Twenty Thousand Four Hundred and Six in Base 9 Nonary
20407
308849
Twenty Thousand Four Hundred and Seven in Base 9 Nonary
20408
308859
Twenty Thousand 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.

2.0405e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000280354826041745259

The reciprocal of 20405 in Base 9 Nonary.

Palindrome?

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

The number 308829 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 five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Twenty thousand four hundred and five is a composite number with 16 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 five has the following 4 prime factors:

5
59
Five in Base 9 Nonary
7
79
Seven in Base 9 Nonary
11
129
Eleven in Base 9 Nonary
53
589
Fifty-Three in Base 9 Nonary

Prime Factorization

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

591 · 791 · 1291 · 5891 = 308829

Base Conversions

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