The Number

28180

Twenty-Eight Thousand One Hundred and Eighty

Nearby Numbers

Positive, nonzero integers within three units

28177
Twenty-Eight Thousand One Hundred and Seventy-Seven
28178
Twenty-Eight Thousand One Hundred and Seventy-Eight
28179
Twenty-Eight Thousand One Hundred and Seventy-Nine
28181
Twenty-Eight Thousand One Hundred and Eighty-One
28182
Twenty-Eight Thousand One Hundred and Eighty-Two
28183
Twenty-Eight Thousand One Hundred and Eighty-Three

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.

0.000035486160397445

The reciprocal of 28180.

Palindrome?

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

The number 28180 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 10 Decimal

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
Two
5
Five
1409
One Thousand Four Hundred and Nine

Prime Factorization

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

22 · 51 · 14091 = 28180

Base Conversions

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