The Number

218842

Two Hundred and Eightteen Thousand Eight Hundred and Forty-Two

In Base 21 Unovigesimal Is

12d5121

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

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

Nearby Numbers

Positive, nonzero integers within three units

218839
12d4j21
Two Hundred and Eightteen Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
218840
12d4k21
Two Hundred and Eightteen Thousand Eight Hundred and Forty in Base 21 Unovigesimal
218841
12d5021
Two Hundred and Eightteen Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
218843
12d5221
Two Hundred and Eightteen Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal
218844
12d5321
Two Hundred and Eightteen Thousand Eight Hundred and Forty-Four in Base 21 Unovigesimal
218845
12d5421
Two Hundred and Eightteen Thousand Eight Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

2.18842e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000idj1h10487kj21

The reciprocal of 218842 in Base 21 Unovigesimal.

Palindrome?

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

The number 12d5121 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 forty-two is a composite number with 16 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 forty-two is a composite number with 16 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 forty-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
443
10221
Four Hundred and Forty-Three 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 · d211 · j211 · 102211 = 12d5121

Base Conversions

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