The Number

21688

Twenty-One Thousand Six Hundred and Eighty-Eight

In Base 20 Vigesimal Is

2e4820

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21685
2e4520
Twenty-One Thousand Six Hundred and Eighty-Five in Base 20 Vigesimal
21686
2e4620
Twenty-One Thousand Six Hundred and Eighty-Six in Base 20 Vigesimal
21687
2e4720
Twenty-One Thousand Six Hundred and Eighty-Seven in Base 20 Vigesimal
21689
2e4920
Twenty-One Thousand Six Hundred and Eighty-Nine in Base 20 Vigesimal
21690
2e4a20
Twenty-One Thousand Six Hundred and Ninety in Base 20 Vigesimal
21691
2e4b20
Twenty-One Thousand Six Hundred and Ninety-One in Base 20 Vigesimal

Scientific Notation

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

2.1688e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00077aig4hj89gad20

The reciprocal of 21688 in Base 20 Vigesimal.

Palindrome?

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

The number 2e4820 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand six hundred and eighty-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand six hundred and eighty-eight 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-one thousand six hundred and eighty-eight has the following 2 prime factors:

2
220
Two in Base 20 Vigesimal
2711
6fb20
Two Thousand Seven Hundred and Eleven in Base 20 Vigesimal

Prime Factorization

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

2203 · 6fb201 = 2e4820

Base Conversions

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