The Number

180805

One Hundred and Eighty Thousand Eight Hundred and Five

In Base 18 Octodecimal Is

1d00d18

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

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

Nearby Numbers

Positive, nonzero integers within three units

180802
1d00a18
One Hundred and Eighty Thousand Eight Hundred and Two in Base 18 Octodecimal
180803
1d00b18
One Hundred and Eighty Thousand Eight Hundred and Three in Base 18 Octodecimal
180804
1d00c18
One Hundred and Eighty Thousand Eight Hundred and Four in Base 18 Octodecimal
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

Scientific Notation

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

1.80805e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a8217b5e3h5bb18

The reciprocal of 180805 in Base 18 Octodecimal.

Palindrome?

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

The number 1d00d18 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 five 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 five 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 five has the following 2 prime factors:

5
518
Five in Base 18 Octodecimal
36161
63ah18
Thirty-Six Thousand One Hundred and Sixty-One in Base 18 Octodecimal

Prime Factorization

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

5181 · 63ah181 = 1d00d18

Base Conversions

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