The Number

180

One Hundred and Eighty

In Base 21 Unovigesimal Is

8c21

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

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

Nearby Numbers

Positive, nonzero integers within three units

177
8921
One Hundred and Seventy-Seven in Base 21 Unovigesimal
178
8a21
One Hundred and Seventy-Eight in Base 21 Unovigesimal
179
8b21
One Hundred and Seventy-Nine in Base 21 Unovigesimal
181
8d21
One Hundred and Eighty-One in Base 21 Unovigesimal
182
8e21
One Hundred and Eighty-Two in Base 21 Unovigesimal
183
8f21
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.

1.80e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0299999999999a21

The reciprocal of 180 in Base 21 Unovigesimal.

Palindrome?

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

The number 8c21 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 is a composite number with 18 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and eighty is a composite number with 18 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 has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five 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 · 3212 · 5211 = 8c21

Base Conversions

The number one hundred and eighty in 35 different bases