The Number

18818

Eightteen Thousand Eight Hundred and Eightteen

In Base 21 Unovigesimal Is

20e221

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

For more familiar numbers: See Eightteen Thousand Eight Hundred and Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18815
20dk21
Eightteen Thousand Eight Hundred and Fifteen in Base 21 Unovigesimal
18816
20e021
Eightteen Thousand Eight Hundred and Sixteen in Base 21 Unovigesimal
18817
20e121
Eightteen Thousand Eight Hundred and Seventeen in Base 21 Unovigesimal
18819
20e321
Eightteen Thousand Eight Hundred and Nineteen in Base 21 Unovigesimal
18820
20e421
Eightteen Thousand Eight Hundred and Twenty in Base 21 Unovigesimal
18821
20e521
Eightteen Thousand Eight Hundred and Twenty-One in Base 21 Unovigesimal

Scientific Notation

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

1.8818e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000a70djh4h1c37a21

The reciprocal of 18818 in Base 21 Unovigesimal.

Palindrome?

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

The number 20e221 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eightteen thousand eight hundred and eightteen is a composite number with 6 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eightteen thousand eight hundred and eightteen is a composite number with 6 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 eightteen thousand eight hundred and eightteen has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
97
4d21
Ninety-Seven in Base 21 Unovigesimal

Prime Factorization

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

2211 · 4d212 = 20e221

Base Conversions

The number eightteen thousand eight hundred and eightteen in 35 different bases