The Number

2185

Two Thousand One Hundred and Eighty-Five

Nearby Numbers

Positive, nonzero integers within three units

2182
Two Thousand One Hundred and Eighty-Two
2183
Two Thousand One Hundred and Eighty-Three
2184
Two Thousand One Hundred and Eighty-Four
2186
Two Thousand One Hundred and Eighty-Six
2187
Two Thousand One Hundred and Eighty-Seven
2188
Two Thousand One Hundred and Eighty-Eight

Scientific Notation

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

2.185e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0004576659038901602

The reciprocal of 2185.

Palindrome?

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

The number 2185 is not a palindrome.

Not A Prime Number

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

Two thousand one hundred and eighty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two thousand one hundred and eighty-five is a composite number with 8 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 two thousand one hundred and eighty-five has the following 3 prime factors:

5
Five
19
Nineteen
23
Twenty-Three

Prime Factorization

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

51 · 191 · 231 = 2185

Base Conversions

The number two thousand one hundred and eighty-five in 35 different bases