The Number

206809

Two Hundred and Six Thousand Eight Hundred and Nine

In Base 21 Unovigesimal Is

116k121

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

For more familiar numbers: See Two Hundred and Six Thousand Eight Hundred and Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

206806
116jj21
Two Hundred and Six Thousand Eight Hundred and Six in Base 21 Unovigesimal
206807
116jk21
Two Hundred and Six Thousand Eight Hundred and Seven in Base 21 Unovigesimal
206808
116k021
Two Hundred and Six Thousand Eight Hundred and Eight in Base 21 Unovigesimal
206810
116k221
Two Hundred and Six Thousand Eight Hundred and Ten in Base 21 Unovigesimal
206811
116k321
Two Hundred and Six Thousand Eight Hundred and Eleven in Base 21 Unovigesimal
206812
116k421
Two Hundred and Six Thousand Eight Hundred and Twelve in Base 21 Unovigesimal

Scientific Notation

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

2.06809e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000jfeji9d2277521

The reciprocal of 206809 in Base 21 Unovigesimal.

Palindrome?

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

The number 116k121 is not a palindrome.

Not A Prime Number

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

Two hundred and six thousand eight hundred and nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and six thousand eight hundred and nine 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 two hundred and six thousand eight hundred and nine has the following 2 prime factors:

73
3a21
Seventy-Three in Base 21 Unovigesimal
2833
68j21
Two Thousand Eight Hundred and Thirty-Three in Base 21 Unovigesimal

Prime Factorization

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

3a211 · 68j211 = 116k121

Base Conversions

The number two hundred and six thousand eight hundred and nine in 35 different bases