The Number

180809

One Hundred and Eighty Thousand Eight Hundred and Nine

In Base 18 Octodecimal Is

1d00h18

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

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

Nearby Numbers

Positive, nonzero integers within three units

180806
1d00e18
One Hundred and Eighty Thousand Eight Hundred and Six in Base 18 Octodecimal
180807
1d00f18
One Hundred and Eighty Thousand Eight Hundred and Seven in Base 18 Octodecimal
180808
1d00g18
One Hundred and Eighty Thousand Eight Hundred and Eight in Base 18 Octodecimal
180810
1d01018
One Hundred and Eighty Thousand Eight Hundred and Ten in Base 18 Octodecimal
180811
1d01118
One Hundred and Eighty Thousand Eight Hundred and Eleven in Base 18 Octodecimal
180812
1d01218
One Hundred and Eighty Thousand Eight Hundred and Twelve in Base 18 Octodecimal

Scientific Notation

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

1.80809e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a8201681a733a18

The reciprocal of 180809 in Base 18 Octodecimal.

Palindrome?

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

The number 1d00h18 is not a palindrome.

Not A Prime Number

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

One hundred and eighty thousand eight hundred and nine 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 hundred and eighty thousand eight hundred and nine 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 hundred and eighty thousand eight hundred and nine has the following 2 prime factors:

47
2b18
Forty-Seven in Base 18 Octodecimal
3847
bfd18
Three Thousand Eight Hundred and Forty-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

2b181 · bfd181 = 1d00h18

Base Conversions

The number one hundred and eighty thousand eight hundred and nine in 35 different bases