The Number

21606

Twenty-One Thousand Six Hundred and Six

Nearby Numbers

Positive, nonzero integers within three units

21603
Twenty-One Thousand Six Hundred and Three
21604
Twenty-One Thousand Six Hundred and Four
21605
Twenty-One Thousand Six Hundred and Five
21607
Twenty-One Thousand Six Hundred and Seven
21608
Twenty-One Thousand Six Hundred and Eight
21609
Twenty-One Thousand Six Hundred and Nine

Scientific Notation

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

2.1606e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004628343978524484

The reciprocal of 21606.

Palindrome?

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

The number 21606 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand six hundred and six 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.

Twenty-one thousand six hundred and six 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 twenty-one thousand six hundred and six has the following 4 prime factors:

2
Two
3
Three
13
Thirteen
277
Two Hundred and Seventy-Seven

Prime Factorization

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

21 · 31 · 131 · 2771 = 21606

Base Conversions

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