The Number

255

Two Hundred and Fifty-Five

Nearby Numbers

Positive, nonzero integers within three units

252
Two Hundred and Fifty-Two
253
Two Hundred and Fifty-Three
254
Two Hundred and Fifty-Four
256
Two Hundred and Fifty-Six
257
Two Hundred and Fifty-Seven
258
Two Hundred and Fifty-Eight

Scientific Notation

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

2.55e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00392156862745098

The reciprocal of 255.

Palindrome?

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

The number 255 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 fifty-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 hundred and fifty-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 hundred and fifty-five has the following 3 prime factors:

3
Three
5
Five
17
Seventeen

Prime Factorization

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

31 · 51 · 171 = 255

Base Conversions

The number two hundred and fifty-five in 35 different bases