The Number

20405

Twenty Thousand Four Hundred and Five

In Base 5 Quinary Is

11231105

The numbers with a 5 subscript use Base 5 Quinary 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
11231025
Twenty Thousand Four Hundred and Two in Base 5 Quinary
20403
11231035
Twenty Thousand Four Hundred and Three in Base 5 Quinary
20404
11231045
Twenty Thousand Four Hundred and Four in Base 5 Quinary
20406
11231115
Twenty Thousand Four Hundred and Six in Base 5 Quinary
20407
11231125
Twenty Thousand Four Hundred and Seven in Base 5 Quinary
20408
11231135
Twenty Thousand 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.

2.0405e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000340324333033031300040315

The reciprocal of 20405 in Base 5 Quinary.

Palindrome?

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

The number 11231105 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 5 Quinary

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
105
Five in Base 5 Quinary
7
125
Seven in Base 5 Quinary
11
215
Eleven in Base 5 Quinary
53
2035
Fifty-Three in Base 5 Quinary

Prime Factorization

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

1051 · 1251 · 2151 · 20351 = 11231105

Base Conversions

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