The Number

201812

Two Hundred and One Thousand Eight Hundred and Twelve

In Base 21 Unovigesimal Is

10gd221

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
201811
10gd121
Two Hundred and One Thousand Eight Hundred and Eleven 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
201815
10gd521
Two Hundred and One Thousand Eight Hundred and Fifteen in Base 21 Unovigesimal

Scientific Notation

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

2.01812e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000k4kc68b79a1e21

The reciprocal of 201812 in Base 21 Unovigesimal.

Palindrome?

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

The number 10gd221 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 twelve is a composite number with 12 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 twelve is a composite number with 12 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 twelve has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
3881
8gh21
Three Thousand Eight Hundred and Eighty-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

2212 · d211 · 8gh211 = 10gd221

Base Conversions

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