The Number

209897

Two Hundred and Nine Thousand Eight Hundred and Ninety-Seven

In Base 21 Unovigesimal Is

11dk221

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

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

Nearby Numbers

Positive, nonzero integers within three units

209894
11djk21
Two Hundred and Nine Thousand Eight Hundred and Ninety-Four in Base 21 Unovigesimal
209895
11dk021
Two Hundred and Nine Thousand Eight Hundred and Ninety-Five in Base 21 Unovigesimal
209896
11dk121
Two Hundred and Nine Thousand Eight Hundred and Ninety-Six in Base 21 Unovigesimal
209898
11dk321
Two Hundred and Nine Thousand Eight Hundred and Ninety-Eight in Base 21 Unovigesimal
209899
11dk421
Two Hundred and Nine Thousand Eight Hundred and Ninety-Nine in Base 21 Unovigesimal
209900
11dk521
Two Hundred and Nine Thousand Nine Hundred in Base 21 Unovigesimal

Scientific Notation

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

2.09897e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j9ch4k6f5j4h21

The reciprocal of 209897 in Base 21 Unovigesimal.

Palindrome?

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

The number 11dk221 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 nine thousand eight hundred and ninety-seven 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 nine thousand eight hundred and ninety-seven 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 nine thousand eight hundred and ninety-seven has the following 2 prime factors:

431
kb21
Four Hundred and Thirty-One in Base 21 Unovigesimal
487
12421
Four Hundred and Eighty-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

kb211 · 124211 = 11dk221

Base Conversions

The number two hundred and nine thousand eight hundred and ninety-seven in 35 different bases