The Number

21671

Twenty-One Thousand Six Hundred and Seventy-One

Nearby Numbers

Positive, nonzero integers within three units

21668
Twenty-One Thousand Six Hundred and Sixty-Eight
21669
Twenty-One Thousand Six Hundred and Sixty-Nine
21670
Twenty-One Thousand Six Hundred and Seventy
21672
Twenty-One Thousand Six Hundred and Seventy-Two
21673
Twenty-One Thousand Six Hundred and Seventy-Three
21674
Twenty-One Thousand Six Hundred and Seventy-Four

Scientific Notation

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

2.1671e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000046144617230400075

The reciprocal of 21671.

Palindrome?

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

The number 21671 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 seventy-one is a composite number with 4 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 seventy-one is a composite number with 4 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 seventy-one has the following 2 prime factors:

13
Thirteen
1667
One Thousand Six Hundred and Sixty-Seven

Prime Factorization

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

131 · 16671 = 21671

Base Conversions

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