The Number

181820

One Hundred and Eighty-One Thousand Eight Hundred and Twenty

In Base 22 Duovigesimal Is

h1ec22

The numbers with a 22 subscript use Base 22 Duovigesimal 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
h1e922
One Hundred and Eighty-One Thousand Eight Hundred and Seventeen in Base 22 Duovigesimal
181818
h1ea22
One Hundred and Eighty-One Thousand Eight Hundred and Eightteen in Base 22 Duovigesimal
181819
h1eb22
One Hundred and Eighty-One Thousand Eight Hundred and Nineteen in Base 22 Duovigesimal
181821
h1ed22
One Hundred and Eighty-One Thousand Eight Hundred and Twenty-One in Base 22 Duovigesimal
181822
h1ee22
One Hundred and Eighty-One Thousand Eight Hundred and Twenty-Two in Base 22 Duovigesimal
181823
h1ef22
One Hundred and Eighty-One Thousand Eight Hundred and Twenty-Three in Base 22 Duovigesimal

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.

0.000167ci66ccf6kh22

The reciprocal of 181820 in Base 22 Duovigesimal.

Palindrome?

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

The number h1ec22 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 22 Duovigesimal

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
222
Two in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal
9091
ih522
Nine Thousand and Ninety-One in Base 22 Duovigesimal

Prime Factorization

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

2222 · 5221 · ih5221 = h1ec22

Base Conversions

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