The Number

1913

One Thousand Nine Hundred and Thirteen

In Base 21 Unovigesimal Is

47221

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

For more familiar numbers: See One Thousand Nine Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1910
46k21
One Thousand Nine Hundred and Ten in Base 21 Unovigesimal
1911
47021
One Thousand Nine Hundred and Eleven in Base 21 Unovigesimal
1912
47121
One Thousand Nine Hundred and Twelve in Base 21 Unovigesimal
1914
47321
One Thousand Nine Hundred and Fourteen in Base 21 Unovigesimal
1915
47421
One Thousand Nine Hundred and Fifteen in Base 21 Unovigesimal
1916
47521
One Thousand Nine 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.

1.913e3

Reciprocal

A number multiplied with its reciprocal is one.

0.004hdj6a9j8744c21

The reciprocal of 1913 in Base 21 Unovigesimal.

Palindrome?

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

The number 47221 is not a palindrome.

A Prime Number

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

One thousand nine hundred and thirteen is the 293rd prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

One Thousand Nine Hundred and Thirteen is not a composite number because it has exactly two factors: One and One Thousand Nine Hundred and Thirteen

Prime Factors

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

The number one thousand nine hundred and thirteen has the following 1 prime factor:

1913
47221
One Thousand Nine Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

472211 = 47221

Base Conversions

The number one thousand nine hundred and thirteen in 35 different bases