The Number

201681

Two Hundred and One Thousand Six Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

201678
Two Hundred and One Thousand Six Hundred and Seventy-Eight
201679
Two Hundred and One Thousand Six Hundred and Seventy-Nine
201680
Two Hundred and One Thousand Six Hundred and Eighty
201682
Two Hundred and One Thousand Six Hundred and Eighty-Two
201683
Two Hundred and One Thousand Six Hundred and Eighty-Three
201684
Two Hundred and One Thousand Six Hundred and Eighty-Four

Scientific Notation

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

2.01681e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000495832527605476

The reciprocal of 201681.

Palindrome?

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

The number 201681 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two hundred and one thousand six hundred and eighty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two hundred and one thousand six hundred and eighty-one is a composite number with 6 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 two hundred and one thousand six hundred and eighty-one has the following 2 prime factors:

3
Three
22409
Twenty-Two Thousand Four Hundred and Nine

Prime Factorization

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

32 · 224091 = 201681

Base Conversions

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