The Number

216

Two Hundred and Sixteen

In Base 21 Unovigesimal Is

a621

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

For more familiar numbers: See Two Hundred and Sixteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

213
a321
Two Hundred and Thirteen in Base 21 Unovigesimal
214
a421
Two Hundred and Fourteen in Base 21 Unovigesimal
215
a521
Two Hundred and Fifteen in Base 21 Unovigesimal
217
a721
Two Hundred and Seventeen in Base 21 Unovigesimal
218
a821
Two Hundred and Eightteen in Base 21 Unovigesimal
219
a921
Two Hundred and Nineteen in Base 21 Unovigesimal

Scientific Notation

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

2.16e2

Reciprocal

A number multiplied with its reciprocal is one.

0.020i7i7i7i7i7h21

The reciprocal of 216 in Base 21 Unovigesimal.

Palindrome?

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

The number a621 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 sixteen 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 sixteen 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 sixteen has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
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

2213 · 3213 = a621

Base Conversions

The number two hundred and sixteen in 35 different bases