The Number

1813

One Thousand Eight Hundred and Thirteen

In Base 31 Untrigesimal Is

1rf31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1810
1rc31
One Thousand Eight Hundred and Ten in Base 31 Untrigesimal
1811
1rd31
One Thousand Eight Hundred and Eleven in Base 31 Untrigesimal
1812
1re31
One Thousand Eight Hundred and Twelve in Base 31 Untrigesimal
1814
1rg31
One Thousand Eight Hundred and Fourteen in Base 31 Untrigesimal
1815
1rh31
One Thousand Eight Hundred and Fifteen in Base 31 Untrigesimal
1816
1ri31
One Thousand Eight Hundred and Sixteen in Base 31 Untrigesimal

Scientific Notation

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

1.813e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00gdc151bch2331

The reciprocal of 1813 in Base 31 Untrigesimal.

Palindrome?

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

The number 1rf31 is not a palindrome.

Not A Prime Number

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

One thousand eight hundred and thirteen is a composite number with 6 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

One thousand eight hundred and thirteen 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 one thousand eight hundred and thirteen has the following 2 prime factors:

7
731
Seven in Base 31 Untrigesimal
37
1631
Thirty-Seven in Base 31 Untrigesimal

Prime Factorization

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

7312 · 16311 = 1rf31

Base Conversions

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