The Number

20691

Twenty Thousand Six Hundred and Ninety-One

Nearby Numbers

Positive, nonzero integers within three units

20688
Twenty Thousand Six Hundred and Eighty-Eight
20689
Twenty Thousand Six Hundred and Eighty-Nine
20690
Twenty Thousand Six Hundred and Ninety
20692
Twenty Thousand Six Hundred and Ninety-Two
20693
Twenty Thousand Six Hundred and Ninety-Three
20694
Twenty Thousand Six Hundred and Ninety-Four

Scientific Notation

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

2.0691e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004833019187086173

The reciprocal of 20691.

Palindrome?

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

The number 20691 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 ninety-one is a composite number with 18 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 ninety-one is a composite number with 18 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 ninety-one has the following 3 prime factors:

3
Three
11
Eleven
19
Nineteen

Prime Factorization

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

32 · 112 · 191 = 20691

Base Conversions

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