The Number

12561

Twelve Thousand Five Hundred and Sixty-One

Nearby Numbers

Positive, nonzero integers within three units

12558
Twelve Thousand Five Hundred and Fifty-Eight
12559
Twelve Thousand Five Hundred and Fifty-Nine
12560
Twelve Thousand Five Hundred and Sixty
12562
Twelve Thousand Five Hundred and Sixty-Two
12563
Twelve Thousand Five Hundred and Sixty-Three
12564
Twelve Thousand Five Hundred and Sixty-Four

Scientific Notation

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

1.2561e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00007961149590000795

The reciprocal of 12561.

Palindrome?

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

The number 12561 is not a palindrome.

Not A Prime Number

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

Twelve thousand five hundred and sixty-one 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.

Twelve thousand five hundred and sixty-one 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 twelve thousand five hundred and sixty-one has the following 3 prime factors:

3
Three
53
Fifty-Three
79
Seventy-Nine

Prime Factorization

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

31 · 531 · 791 = 12561

Base Conversions

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