The Number

201805

Two Hundred and One Thousand Eight Hundred and Five

In Base 21 Unovigesimal Is

10gcg21

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

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

Nearby Numbers

Positive, nonzero integers within three units

201802
10gcd21
Two Hundred and One Thousand Eight Hundred and Two in Base 21 Unovigesimal
201803
10gce21
Two Hundred and One Thousand Eight Hundred and Three in Base 21 Unovigesimal
201804
10gcf21
Two Hundred and One Thousand Eight Hundred and Four in Base 21 Unovigesimal
201806
10gch21
Two Hundred and One Thousand Eight Hundred and Six in Base 21 Unovigesimal
201807
10gci21
Two Hundred and One Thousand Eight Hundred and Seven in Base 21 Unovigesimal
201808
10gcj21
Two Hundred and One Thousand Eight Hundred and Eight in Base 21 Unovigesimal

Scientific Notation

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

2.01805e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000k4kigj93kigf21

The reciprocal of 201805 in Base 21 Unovigesimal.

Palindrome?

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

The number 10gcg21 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 one thousand eight hundred and five 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 one thousand eight hundred and five 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 one thousand eight hundred and five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
40361
47ak21
Forty Thousand Three Hundred and Sixty-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

5211 · 47ak211 = 10gcg21

Base Conversions

The number two hundred and one thousand eight hundred and five in 35 different bases