The Number

205009

Two Hundred and Five Thousand and Nine

In Base 21 Unovigesimal Is

112i721

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

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

Nearby Numbers

Positive, nonzero integers within three units

205006
112i421
Two Hundred and Five Thousand and Six in Base 21 Unovigesimal
205007
112i521
Two Hundred and Five Thousand and Seven in Base 21 Unovigesimal
205008
112i621
Two Hundred and Five Thousand and Eight in Base 21 Unovigesimal
205010
112i821
Two Hundred and Five Thousand and Ten in Base 21 Unovigesimal
205011
112i921
Two Hundred and Five Thousand and Eleven in Base 21 Unovigesimal
205012
112ia21
Two Hundred and Five Thousand 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.

2.05009e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000jj78df1ha53f21

The reciprocal of 205009 in Base 21 Unovigesimal.

Palindrome?

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

The number 112i721 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 five thousand 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 five thousand 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 five thousand and nine has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
29287
338d21
Twenty-Nine Thousand Two 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

7211 · 338d211 = 112i721

Base Conversions

The number two hundred and five thousand and nine in 35 different bases