The Number

180

One Hundred and Eighty

In Base 19 Nonadecimal Is

9919

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

177
9619
One Hundred and Seventy-Seven in Base 19 Nonadecimal
178
9719
One Hundred and Seventy-Eight in Base 19 Nonadecimal
179
9819
One Hundred and Seventy-Nine in Base 19 Nonadecimal
181
9a19
One Hundred and Eighty-One in Base 19 Nonadecimal
182
9b19
One Hundred and Eighty-Two in Base 19 Nonadecimal
183
9c19
One Hundred and Eighty-Three in Base 19 Nonadecimal

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.

0.0202020202020219

The reciprocal of 180 in Base 19 Nonadecimal.

Palindrome?

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

The number 9919 is 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 19 Nonadecimal

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
219
Two in Base 19 Nonadecimal
3
319
Three in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal

Prime Factorization

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

2192 · 3192 · 5191 = 9919

Base Conversions

The number one hundred and eighty in 35 different bases