The Number

20691

Twenty Thousand Six Hundred and Ninety-One

In Base 21 Unovigesimal Is

24j621

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

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

Nearby Numbers

Positive, nonzero integers within three units

20688
24j321
Twenty Thousand Six Hundred and Eighty-Eight in Base 21 Unovigesimal
20689
24j421
Twenty Thousand Six Hundred and Eighty-Nine in Base 21 Unovigesimal
20690
24j521
Twenty Thousand Six Hundred and Ninety in Base 21 Unovigesimal
20692
24j721
Twenty Thousand Six Hundred and Ninety-Two in Base 21 Unovigesimal
20693
24j821
Twenty Thousand Six Hundred and Ninety-Three in Base 21 Unovigesimal
20694
24j921
Twenty Thousand Six Hundred and Ninety-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.

2.0691e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009881k11155i7f21

The reciprocal of 20691 in Base 21 Unovigesimal.

Palindrome?

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

The number 24j621 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 ninety-one is a composite number with 18 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 ninety-one is a composite number with 18 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 ninety-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal

Prime Factorization

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

3212 · b212 · j211 = 24j621

Base Conversions

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