The Number

181820

One Hundred and Eighty-One Thousand Eight Hundred and Twenty

In Base 28 Octovigesimal Is

87pg28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

181817
87pd28
One Hundred and Eighty-One Thousand Eight Hundred and Seventeen in Base 28 Octovigesimal
181818
87pe28
One Hundred and Eighty-One Thousand Eight Hundred and Eightteen in Base 28 Octovigesimal
181819
87pf28
One Hundred and Eighty-One Thousand Eight Hundred and Nineteen in Base 28 Octovigesimal
181821
87ph28
One Hundred and Eighty-One Thousand Eight Hundred and Twenty-One in Base 28 Octovigesimal
181822
87pi28
One Hundred and Eighty-One Thousand Eight Hundred and Twenty-Two in Base 28 Octovigesimal
181823
87pj28
One Hundred and Eighty-One Thousand Eight Hundred and Twenty-Three in Base 28 Octovigesimal

Scientific Notation

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

1.81820e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0003aiaa5q4hmgm28

The reciprocal of 181820 in Base 28 Octovigesimal.

Palindrome?

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

The number 87pg28 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-one thousand eight hundred and twenty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

One hundred and eighty-one thousand eight hundred and twenty 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 hundred and eighty-one thousand eight hundred and twenty has the following 3 prime factors:

2
228
Two in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal
9091
bgj28
Nine Thousand and Ninety-One in Base 28 Octovigesimal

Prime Factorization

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

2282 · 5281 · bgj281 = 87pg28

Base Conversions

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