The Number

20661

Twenty Thousand Six Hundred and Sixty-One

In Base 21 Unovigesimal Is

24hi21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20658
24hf21
Twenty Thousand Six Hundred and Fifty-Eight in Base 21 Unovigesimal
20659
24hg21
Twenty Thousand Six Hundred and Fifty-Nine in Base 21 Unovigesimal
20660
24hh21
Twenty Thousand Six Hundred and Sixty in Base 21 Unovigesimal
20662
24hj21
Twenty Thousand Six Hundred and Sixty-Two in Base 21 Unovigesimal
20663
24hk21
Twenty Thousand Six Hundred and Sixty-Three in Base 21 Unovigesimal
20664
24i021
Twenty Thousand Six Hundred and Sixty-Four in Base 21 Unovigesimal

Scientific Notation

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

2.0661e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00098e2768j65df21

The reciprocal of 20661 in Base 21 Unovigesimal.

Palindrome?

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

The number 24hi21 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 six hundred and sixty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand six hundred and sixty-one is a composite number with 8 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 six hundred and sixty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
71
3821
Seventy-One in Base 21 Unovigesimal
97
4d21
Ninety-Seven in Base 21 Unovigesimal

Prime Factorization

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

3211 · 38211 · 4d211 = 24hi21

Base Conversions

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