The Number

20405

Twenty Thousand Four Hundred and Five

In Base 22 Duovigesimal Is

1k3b22

The numbers with a 22 subscript use Base 22 Duovigesimal 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
1k3822
Twenty Thousand Four Hundred and Two in Base 22 Duovigesimal
20403
1k3922
Twenty Thousand Four Hundred and Three in Base 22 Duovigesimal
20404
1k3a22
Twenty Thousand Four Hundred and Four in Base 22 Duovigesimal
20406
1k3c22
Twenty Thousand Four Hundred and Six in Base 22 Duovigesimal
20407
1k3d22
Twenty Thousand Four Hundred and Seven in Base 22 Duovigesimal
20408
1k3e22
Twenty Thousand Four Hundred and Eight in Base 22 Duovigesimal

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.

0.000bacaae6edl7j22

The reciprocal of 20405 in Base 22 Duovigesimal.

Palindrome?

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

The number 1k3b22 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 22 Duovigesimal

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
522
Five in Base 22 Duovigesimal
7
722
Seven in Base 22 Duovigesimal
11
b22
Eleven in Base 22 Duovigesimal
53
2922
Fifty-Three in Base 22 Duovigesimal

Prime Factorization

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

5221 · 7221 · b221 · 29221 = 1k3b22

Base Conversions

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