The Number

11820

Eleven Thousand Eight Hundred and Twenty

In Base 18 Octodecimal Is

208c18

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

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

Nearby Numbers

Positive, nonzero integers within three units

11817
208918
Eleven Thousand Eight Hundred and Seventeen in Base 18 Octodecimal
11818
208a18
Eleven Thousand Eight Hundred and Eightteen in Base 18 Octodecimal
11819
208b18
Eleven Thousand Eight Hundred and Nineteen in Base 18 Octodecimal
11821
208d18
Eleven Thousand Eight Hundred and Twenty-One in Base 18 Octodecimal
11822
208e18
Eleven Thousand Eight Hundred and Twenty-Two in Base 18 Octodecimal
11823
208f18
Eleven 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.

1.1820e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008ff94df5ha1g318

The reciprocal of 11820 in Base 18 Octodecimal.

Palindrome?

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

The number 208c18 is not a palindrome.

Not A Prime Number

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

Eleven thousand eight hundred and twenty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Eleven thousand eight hundred and twenty is a composite number with 24 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 eleven thousand eight hundred and twenty has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
197
ah18
One Hundred and Ninety-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

2182 · 3181 · 5181 · ah181 = 208c18

Base Conversions

The number eleven thousand eight hundred and twenty in 35 different bases