The Number

21797

Twenty-One Thousand Seven Hundred and Ninety-Seven

Nearby Numbers

Positive, nonzero integers within three units

21794
Twenty-One Thousand Seven Hundred and Ninety-Four
21795
Twenty-One Thousand Seven Hundred and Ninety-Five
21796
Twenty-One Thousand Seven Hundred and Ninety-Six
21798
Twenty-One Thousand Seven Hundred and Ninety-Eight
21799
Twenty-One Thousand Seven Hundred and Ninety-Nine
21800
Twenty-One Thousand Eight Hundred

Scientific Notation

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

2.1797e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000045877873101803

The reciprocal of 21797.

Palindrome?

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

The number 21797 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 seven hundred and ninety-seven 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 seven hundred and ninety-seven 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 seven hundred and ninety-seven has the following 2 prime factors:

71
Seventy-One
307
Three Hundred and Seven

Prime Factorization

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

711 · 3071 = 21797

Base Conversions

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