The Number

20661

Twenty Thousand Six Hundred and Sixty-One

Nearby Numbers

Positive, nonzero integers within three units

20658
Twenty Thousand Six Hundred and Fifty-Eight
20659
Twenty Thousand Six Hundred and Fifty-Nine
20660
Twenty Thousand Six Hundred and Sixty
20662
Twenty Thousand Six Hundred and Sixty-Two
20663
Twenty Thousand Six Hundred and Sixty-Three
20664
Twenty Thousand Six Hundred and Sixty-Four

Scientific Notation

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

2.0661e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000484003678427956

The reciprocal of 20661.

Palindrome?

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

The number 20661 is not a palindrome.

Not A Prime Number

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

Twenty thousand six 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.

Twenty thousand six 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 twenty thousand six hundred and sixty-one has the following 3 prime factors:

3
Three
71
Seventy-One
97
Ninety-Seven

Prime Factorization

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

31 · 711 · 971 = 20661

Base Conversions

The number twenty thousand six hundred and sixty-one in 35 different bases