The Number

13180

Thirteen Thousand One Hundred and Eighty

In Base 21 Unovigesimal Is

18id21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

13177
18ia21
Thirteen Thousand One Hundred and Seventy-Seven in Base 21 Unovigesimal
13178
18ib21
Thirteen Thousand One Hundred and Seventy-Eight in Base 21 Unovigesimal
13179
18ic21
Thirteen Thousand One Hundred and Seventy-Nine in Base 21 Unovigesimal
13181
18ie21
Thirteen Thousand One Hundred and Eighty-One in Base 21 Unovigesimal
13182
18if21
Thirteen Thousand One Hundred and Eighty-Two in Base 21 Unovigesimal
13183
18ig21
Thirteen Thousand One Hundred and Eighty-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.

1.3180e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000efi633k0613ga21

The reciprocal of 13180 in Base 21 Unovigesimal.

Palindrome?

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

The number 18id21 is not a palindrome.

Not A Prime Number

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

Thirteen thousand one hundred and eighty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand one hundred and eighty 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 thirteen thousand one hundred and eighty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
659
1a821
Six Hundred and Fifty-Nine 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 · 5211 · 1a8211 = 18id21

Base Conversions

The number thirteen thousand one hundred and eighty in 35 different bases