The Number

218820

Two Hundred and Eightteen Thousand Eight Hundred and Twenty

In Base 21 Unovigesimal Is

12d4021

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

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

Nearby Numbers

Positive, nonzero integers within three units

218817
12d3i21
Two Hundred and Eightteen Thousand Eight Hundred and Seventeen in Base 21 Unovigesimal
218818
12d3j21
Two Hundred and Eightteen Thousand Eight Hundred and Eightteen in Base 21 Unovigesimal
218819
12d3k21
Two Hundred and Eightteen Thousand Eight Hundred and Nineteen in Base 21 Unovigesimal
218821
12d4121
Two Hundred and Eightteen Thousand Eight Hundred and Twenty-One in Base 21 Unovigesimal
218822
12d4221
Two Hundred and Eightteen Thousand Eight Hundred and Twenty-Two in Base 21 Unovigesimal
218823
12d4321
Two Hundred and Eightteen Thousand Eight Hundred and Twenty-Three in Base 21 Unovigesimal

Scientific Notation

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

2.18820e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000idjj3jkiabh221

The reciprocal of 218820 in Base 21 Unovigesimal.

Palindrome?

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

The number 12d4021 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 eightteen thousand eight hundred and twenty is a composite number with 48 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 eightteen thousand eight hundred and twenty is a composite number with 48 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 eightteen thousand eight hundred and twenty has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
521
13h21
Five Hundred and Twenty-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 · 3211 · 5211 · 7211 · 13h211 = 12d4021

Base Conversions

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