The Number

205

Two Hundred and Five

Nearby Numbers

Positive, nonzero integers within three units

202
Two Hundred and Two
203
Two Hundred and Three
204
Two Hundred and Four
206
Two Hundred and Six
207
Two Hundred and Seven
208
Two Hundred and Eight

Scientific Notation

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

2.05e2

Reciprocal

A number multiplied with its reciprocal is one.

0.004878048780487805

The reciprocal of 205.

Palindrome?

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

The number 205 is not a palindrome.

Not A Prime Number

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

Two hundred and five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two hundred and five is a composite number with 4 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 hundred and five has the following 2 prime factors:

5
Five
41
Forty-One

Prime Factorization

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

51 · 411 = 205

Base Conversions

The number two hundred and five in 35 different bases