The Number

243

Two Hundred and Forty-Three

In Base 21 Unovigesimal Is

bc21

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

For more familiar numbers: See Two Hundred and Forty-Three in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

240
b921
Two Hundred and Forty in Base 21 Unovigesimal
241
ba21
Two Hundred and Forty-One in Base 21 Unovigesimal
242
bb21
Two Hundred and Forty-Two in Base 21 Unovigesimal
244
bd21
Two Hundred and Forty-Four in Base 21 Unovigesimal
245
be21
Two Hundred and Forty-Five in Base 21 Unovigesimal
246
bf21
Two Hundred and Forty-Six in Base 21 Unovigesimal

Scientific Notation

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

2.43e2

Reciprocal

A number multiplied with its reciprocal is one.

0.01h2700000000221

The reciprocal of 243 in Base 21 Unovigesimal.

Palindrome?

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

The number bc21 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 forty-three 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.

Two hundred and forty-three 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 two hundred and forty-three has the following 1 prime factor:

3
321
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

3215 = bc21

Base Conversions

The number two hundred and forty-three in 35 different bases