The Number

201811

Two Hundred and One Thousand Eight Hundred and Eleven

In Base 21 Unovigesimal Is

10gd121

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

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

Nearby Numbers

Positive, nonzero integers within three units

201808
10gcj21
Two Hundred and One Thousand Eight Hundred and Eight in Base 21 Unovigesimal
201809
10gck21
Two Hundred and One Thousand Eight Hundred and Nine in Base 21 Unovigesimal
201810
10gd021
Two Hundred and One Thousand Eight Hundred and Ten in Base 21 Unovigesimal
201812
10gd221
Two Hundred and One Thousand Eight Hundred and Twelve in Base 21 Unovigesimal
201813
10gd321
Two Hundred and One Thousand Eight Hundred and Thirteen in Base 21 Unovigesimal
201814
10gd421
Two Hundred and One Thousand Eight Hundred and Fourteen in Base 21 Unovigesimal

Scientific Notation

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

2.01811e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000k4kd4j1gc75221

The reciprocal of 201811 in Base 21 Unovigesimal.

Palindrome?

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

The number 10gd121 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 eleven 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 eleven 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 eleven has the following 2 prime factors:

29
1821
Twenty-Nine in Base 21 Unovigesimal
6959
fg821
Six Thousand Nine Hundred and Fifty-Nine in Base 21 Unovigesimal

Prime Factorization

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

18211 · fg8211 = 10gd121

Base Conversions

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