The Number

28180

Twenty-Eight Thousand One Hundred and Eighty

In Base 15 Quindecimal Is

853a15

The numbers with a 15 subscript use Base 15 Quindecimal notation.

For more familiar numbers: See Twenty-Eight Thousand One Hundred and Eighty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

28177
853715
Twenty-Eight Thousand One Hundred and Seventy-Seven in Base 15 Quindecimal
28178
853815
Twenty-Eight Thousand One Hundred and Seventy-Eight in Base 15 Quindecimal
28179
853915
Twenty-Eight Thousand One Hundred and Seventy-Nine in Base 15 Quindecimal
28181
853b15
Twenty-Eight Thousand One Hundred and Eighty-One in Base 15 Quindecimal
28182
853c15
Twenty-Eight Thousand One Hundred and Eighty-Two in Base 15 Quindecimal
28183
853d15
Twenty-Eight Thousand One Hundred and Eighty-Three in Base 15 Quindecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.8180e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001be32233c57b5915

The reciprocal of 28180 in Base 15 Quindecimal.

Palindrome?

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

The number 853a15 is not a palindrome.

Not A Prime Number

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

Twenty-eight thousand one hundred and eighty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Twenty-eight 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 twenty-eight thousand one hundred and eighty has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
1409
63e15
One Thousand Four Hundred and Nine in Base 15 Quindecimal

Prime Factorization

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

2152 · 5151 · 63e151 = 853a15

Base Conversions

The number twenty-eight thousand one hundred and eighty in 35 different bases