The Number

331

Three Hundred and Thirty-One

In Base 21 Unovigesimal Is

fg21

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

For more familiar numbers: See Three Hundred and Thirty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

328
fd21
Three Hundred and Twenty-Eight in Base 21 Unovigesimal
329
fe21
Three Hundred and Twenty-Nine in Base 21 Unovigesimal
330
ff21
Three Hundred and Thirty in Base 21 Unovigesimal
332
fh21
Three Hundred and Thirty-Two in Base 21 Unovigesimal
333
fi21
Three Hundred and Thirty-Three in Base 21 Unovigesimal
334
fj21
Three Hundred and Thirty-Four in Base 21 Unovigesimal

Scientific Notation

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

3.31e2

Reciprocal

A number multiplied with its reciprocal is one.

0.016kbe325k505621

The reciprocal of 331 in Base 21 Unovigesimal.

Palindrome?

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

The number fg21 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Three hundred and thirty-one is the 67th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Three Hundred and Thirty-One is not a composite number because it has exactly two factors: One and Three Hundred and Thirty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number three hundred and thirty-one has the following 1 prime factor:

331
fg21
Three Hundred and Thirty-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

fg211 = fg21

Base Conversions

The number three hundred and thirty-one in 35 different bases