The Number

218442

Two Hundred and Eightteen Thousand Four Hundred and Forty-Two

In Base 21 Unovigesimal Is

12c7021

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

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

Nearby Numbers

Positive, nonzero integers within three units

218439
12c6i21
Two Hundred and Eightteen Thousand Four Hundred and Thirty-Nine in Base 21 Unovigesimal
218440
12c6j21
Two Hundred and Eightteen Thousand Four Hundred and Forty in Base 21 Unovigesimal
218441
12c6k21
Two Hundred and Eightteen Thousand Four Hundred and Forty-One in Base 21 Unovigesimal
218443
12c7121
Two Hundred and Eightteen Thousand Four Hundred and Forty-Three in Base 21 Unovigesimal
218444
12c7221
Two Hundred and Eightteen Thousand Four Hundred and Forty-Four in Base 21 Unovigesimal
218445
12c7321
Two Hundred and Eightteen Thousand Four 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.

2.18442e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ied3631khf9821

The reciprocal of 218442 in Base 21 Unovigesimal.

Palindrome?

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

The number 12c7021 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 four hundred and forty-two is a composite number with 24 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 four hundred and forty-two is a composite number with 24 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 four hundred and forty-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
743
1e821
Seven 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 · 3211 · 7212 · 1e8211 = 12c7021

Base Conversions

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