The Number

21288

Twenty-One Thousand Two Hundred and Eighty-Eight

Nearby Numbers

Positive, nonzero integers within three units

21285
Twenty-One Thousand Two Hundred and Eighty-Five
21286
Twenty-One Thousand Two Hundred and Eighty-Six
21287
Twenty-One Thousand Two Hundred and Eighty-Seven
21289
Twenty-One Thousand Two Hundred and Eighty-Nine
21290
Twenty-One Thousand Two Hundred and Ninety
21291
Twenty-One Thousand Two Hundred and Ninety-One

Scientific Notation

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

2.1288e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000046974821495678314

The reciprocal of 21288.

Palindrome?

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

The number 21288 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 two hundred and eighty-eight 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 two hundred and eighty-eight 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 two hundred and eighty-eight has the following 3 prime factors:

2
Two
3
Three
887
Eight Hundred and Eighty-Seven

Prime Factorization

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

23 · 31 · 8871 = 21288

Base Conversions

The number twenty-one thousand two hundred and eighty-eight in 35 different bases