The Number

21498

Twenty-One Thousand Four Hundred and Ninety-Eight

Nearby Numbers

Positive, nonzero integers within three units

21495
Twenty-One Thousand Four Hundred and Ninety-Five
21496
Twenty-One Thousand Four Hundred and Ninety-Six
21497
Twenty-One Thousand Four Hundred and Ninety-Seven
21499
Twenty-One Thousand Four Hundred and Ninety-Nine
21500
Twenty-One Thousand Five Hundred
21501
Twenty-One Thousand Five Hundred and One

Scientific Notation

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

2.1498e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004651595497255559

The reciprocal of 21498.

Palindrome?

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

The number 21498 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 four 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 four 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 four hundred and ninety-eight has the following 3 prime factors:

2
Two
3
Three
3583
Three Thousand Five Hundred and Eighty-Three

Prime Factorization

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

21 · 31 · 35831 = 21498

Base Conversions

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