The Number

1815

One Thousand Eight Hundred and Fifteen

In Base 19 Nonadecimal Is

50a19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1812
50719
One Thousand Eight Hundred and Twelve in Base 19 Nonadecimal
1813
50819
One Thousand Eight Hundred and Thirteen in Base 19 Nonadecimal
1814
50919
One Thousand Eight Hundred and Fourteen in Base 19 Nonadecimal
1816
50b19
One Thousand Eight Hundred and Sixteen in Base 19 Nonadecimal
1817
50c19
One Thousand Eight Hundred and Seventeen in Base 19 Nonadecimal
1818
50d19
One Thousand Eight Hundred and Eightteen in Base 19 Nonadecimal

Scientific Notation

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

1.815e3

Reciprocal

A number multiplied with its reciprocal is one.

0.003ef4b60338fg919

The reciprocal of 1815 in Base 19 Nonadecimal.

Palindrome?

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

The number 50a19 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 fifteen is a composite number with 12 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

One thousand eight hundred and fifteen is a composite number with 12 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 fifteen has the following 3 prime factors:

3
319
Three in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal
11
b19
Eleven in Base 19 Nonadecimal

Prime Factorization

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

3191 · 5191 · b192 = 50a19

Base Conversions

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