The Number

2565

Two Thousand Five Hundred and Sixty-Five

Nearby Numbers

Positive, nonzero integers within three units

2562
Two Thousand Five Hundred and Sixty-Two
2563
Two Thousand Five Hundred and Sixty-Three
2564
Two Thousand Five Hundred and Sixty-Four
2566
Two Thousand Five Hundred and Sixty-Six
2567
Two Thousand Five Hundred and Sixty-Seven
2568
Two Thousand Five Hundred and Sixty-Eight

Scientific Notation

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

2.565e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0003898635477582846

The reciprocal of 2565.

Palindrome?

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

The number 2565 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 five hundred and sixty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two thousand five hundred and sixty-five is a composite number with 16 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 five hundred and sixty-five has the following 3 prime factors:

3
Three
5
Five
19
Nineteen

Prime Factorization

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

33 · 51 · 191 = 2565

Base Conversions

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