The Number

180820

One Hundred and Eighty Thousand Eight Hundred and Twenty

In Base 18 Octodecimal Is

1d01a18

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

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

Nearby Numbers

Positive, nonzero integers within three units

180817
1d01718
One Hundred and Eighty Thousand Eight Hundred and Seventeen in Base 18 Octodecimal
180818
1d01818
One Hundred and Eighty Thousand Eight Hundred and Eightteen in Base 18 Octodecimal
180819
1d01918
One Hundred and Eighty Thousand Eight Hundred and Nineteen in Base 18 Octodecimal
180821
1d01b18
One Hundred and Eighty Thousand Eight Hundred and Twenty-One in Base 18 Octodecimal
180822
1d01c18
One Hundred and Eighty Thousand Eight Hundred and Twenty-Two in Base 18 Octodecimal
180823
1d01d18
One Hundred and Eighty Thousand Eight Hundred and Twenty-Three in Base 18 Octodecimal

Scientific Notation

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

1.80820e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a81e6b2caehbc18

The reciprocal of 180820 in Base 18 Octodecimal.

Palindrome?

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

The number 1d01a18 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 twenty is a composite number with 12 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 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 thousand eight hundred and twenty has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
9041
19g518
Nine Thousand and Forty-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

2182 · 5181 · 19g5181 = 1d01a18

Base Conversions

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