The Number

11820

Eleven Thousand Eight Hundred and Twenty

In Base 21 Unovigesimal Is

15gi21

The numbers with a 21 subscript use Base 21 Unovigesimal 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
15gf21
Eleven Thousand Eight Hundred and Seventeen in Base 21 Unovigesimal
11818
15gg21
Eleven Thousand Eight Hundred and Eightteen in Base 21 Unovigesimal
11819
15gh21
Eleven Thousand Eight Hundred and Nineteen in Base 21 Unovigesimal
11821
15gj21
Eleven Thousand Eight Hundred and Twenty-One in Base 21 Unovigesimal
11822
15gk21
Eleven Thousand Eight Hundred and Twenty-Two in Base 21 Unovigesimal
11823
15h021
Eleven Thousand Eight Hundred and Twenty-Three in Base 21 Unovigesimal

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.

0.000g9b07aa398g721

The reciprocal of 11820 in Base 21 Unovigesimal.

Palindrome?

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

The number 15gi21 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 21 Unovigesimal

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
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
197
9821
One Hundred and Ninety-Seven in Base 21 Unovigesimal

Prime Factorization

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

2212 · 3211 · 5211 · 98211 = 15gi21

Base Conversions

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