The Number

1819

One Thousand Eight Hundred and Nineteen

In Base 18 Octodecimal Is

5b118

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1816
5ag18
One Thousand Eight Hundred and Sixteen in Base 18 Octodecimal
1817
5ah18
One Thousand Eight Hundred and Seventeen in Base 18 Octodecimal
1818
5b018
One Thousand Eight Hundred and Eightteen in Base 18 Octodecimal
1820
5b218
One Thousand Eight Hundred and Twenty in Base 18 Octodecimal
1821
5b318
One Thousand Eight Hundred and Twenty-One in Base 18 Octodecimal
1822
5b418
One Thousand Eight Hundred and Twenty-Two in Base 18 Octodecimal

Scientific Notation

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

1.819e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0033ce5a1f8db81b18

The reciprocal of 1819 in Base 18 Octodecimal.

Palindrome?

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

The number 5b118 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 nineteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

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

17
h18
Seventeen in Base 18 Octodecimal
107
5h18
One Hundred and Seven in Base 18 Octodecimal

Prime Factorization

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

h181 · 5h181 = 5b118

Base Conversions

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