The Number

20561

Twenty Thousand Five Hundred and Sixty-One

In Base 22 Duovigesimal Is

1kad22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

For more familiar numbers: See Twenty Thousand Five Hundred and Sixty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20558
1kaa22
Twenty Thousand Five Hundred and Fifty-Eight in Base 22 Duovigesimal
20559
1kab22
Twenty Thousand Five Hundred and Fifty-Nine in Base 22 Duovigesimal
20560
1kac22
Twenty Thousand Five Hundred and Sixty in Base 22 Duovigesimal
20562
1kae22
Twenty Thousand Five Hundred and Sixty-Two in Base 22 Duovigesimal
20563
1kaf22
Twenty Thousand Five Hundred and Sixty-Three in Base 22 Duovigesimal
20564
1kag22
Twenty Thousand Five Hundred and Sixty-Four in Base 22 Duovigesimal

Scientific Notation

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

2.0561e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000b8e7041d0d2922

The reciprocal of 20561 in Base 22 Duovigesimal.

Palindrome?

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

The number 1kad22 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 five hundred and sixty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand five hundred and sixty-one 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 five hundred and sixty-one has the following 2 prime factors:

29
1722
Twenty-Nine in Base 22 Duovigesimal
709
1a522
Seven Hundred and Nine in Base 22 Duovigesimal

Prime Factorization

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

17221 · 1a5221 = 1kad22

Base Conversions

The number twenty thousand five hundred and sixty-one in 35 different bases