The Number

211809

Two Hundred and Eleven Thousand Eight Hundred and Nine

In Base 21 Unovigesimal Is

11i6321

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

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

Nearby Numbers

Positive, nonzero integers within three units

211806
11i6021
Two Hundred and Eleven Thousand Eight Hundred and Six in Base 21 Unovigesimal
211807
11i6121
Two Hundred and Eleven Thousand Eight Hundred and Seven in Base 21 Unovigesimal
211808
11i6221
Two Hundred and Eleven Thousand Eight Hundred and Eight in Base 21 Unovigesimal
211810
11i6421
Two Hundred and Eleven Thousand Eight Hundred and Ten in Base 21 Unovigesimal
211811
11i6521
Two Hundred and Eleven Thousand Eight Hundred and Eleven in Base 21 Unovigesimal
211812
11i6621
Two Hundred and Eleven 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.

2.11809e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j5j7cah5215821

The reciprocal of 211809 in Base 21 Unovigesimal.

Palindrome?

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

The number 11i6321 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 eleven thousand eight hundred and nine is a composite number with 8 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 eleven thousand eight hundred and nine 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 two hundred and eleven thousand eight hundred and nine has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
5431
c6d21
Five Thousand Four Hundred and Thirty-One in Base 21 Unovigesimal

Prime Factorization

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

3211 · d211 · c6d211 = 11i6321

Base Conversions

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