The Number

21698

Twenty-One Thousand Six Hundred and Ninety-Eight

Nearby Numbers

Positive, nonzero integers within three units

21695
Twenty-One Thousand Six Hundred and Ninety-Five
21696
Twenty-One Thousand Six Hundred and Ninety-Six
21697
Twenty-One Thousand Six Hundred and Ninety-Seven
21699
Twenty-One Thousand Six Hundred and Ninety-Nine
21700
Twenty-One Thousand Seven Hundred
21701
Twenty-One Thousand Seven Hundred and One

Scientific Notation

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

2.1698e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000046087196976679875

The reciprocal of 21698.

Palindrome?

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

The number 21698 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 ninety-eight 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-one thousand six hundred and ninety-eight 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-one thousand six hundred and ninety-eight has the following 3 prime factors:

2
Two
19
Nineteen
571
Five Hundred and Seventy-One

Prime Factorization

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

21 · 191 · 5711 = 21698

Base Conversions

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