The Number

213

Two Hundred and Thirteen

In Base 21 Unovigesimal Is

a321

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

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

Nearby Numbers

Positive, nonzero integers within three units

210
a021
Two Hundred and Ten in Base 21 Unovigesimal
211
a121
Two Hundred and Eleven in Base 21 Unovigesimal
212
a221
Two Hundred and Twelve in Base 21 Unovigesimal
214
a421
Two Hundred and Fourteen in Base 21 Unovigesimal
215
a521
Two Hundred and Fifteen in Base 21 Unovigesimal
216
a621
Two Hundred and Sixteen in Base 21 Unovigesimal

Scientific Notation

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

2.13e2

Reciprocal

A number multiplied with its reciprocal is one.

0.021a13hfe42k2a21

The reciprocal of 213 in Base 21 Unovigesimal.

Palindrome?

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

The number a321 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 thirteen is a composite number with 4 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 thirteen is a composite number with 4 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 thirteen has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
71
3821
Seventy-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

3211 · 38211 = a321

Base Conversions

The number two hundred and thirteen in 35 different bases