The Number

21497

Twenty-One Thousand Four Hundred and Ninety-Seven

Nearby Numbers

Positive, nonzero integers within three units

21494
Twenty-One Thousand Four Hundred and Ninety-Four
21495
Twenty-One Thousand Four Hundred and Ninety-Five
21496
Twenty-One Thousand Four Hundred and Ninety-Six
21498
Twenty-One Thousand Four Hundred and Ninety-Eight
21499
Twenty-One Thousand Four Hundred and Ninety-Nine
21500
Twenty-One Thousand Five Hundred

Scientific Notation

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

2.1497e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004651811880727544

The reciprocal of 21497.

Palindrome?

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

The number 21497 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-seven 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-seven 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-seven has the following 3 prime factors:

7
Seven
37
Thirty-Seven
83
Eighty-Three

Prime Factorization

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

71 · 371 · 831 = 21497

Base Conversions

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