The Number

209

Two Hundred and Nine

In Base 11 Undecimal Is

18011

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

206
17811
Two Hundred and Six in Base 11 Undecimal
207
17911
Two Hundred and Seven in Base 11 Undecimal
208
17a11
Two Hundred and Eight in Base 11 Undecimal
210
18111
Two Hundred and Ten in Base 11 Undecimal
211
18211
Two Hundred and Eleven in Base 11 Undecimal
212
18311
Two Hundred and Twelve in Base 11 Undecimal

Scientific Notation

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

2.09e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00640640640640640611

The reciprocal of 209 in Base 11 Undecimal.

Palindrome?

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

The number 18011 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 is a composite number with 4 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Two 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 nine has the following 2 prime factors:

11
1011
Eleven in Base 11 Undecimal
19
1811
Nineteen in Base 11 Undecimal

Prime Factorization

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

10111 · 18111 = 18011

Base Conversions

The number two hundred and nine in 35 different bases