The Number

421681

Four Hundred and Twenty-One Thousand Six Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

421678
Four Hundred and Twenty-One Thousand Six Hundred and Seventy-Eight
421679
Four Hundred and Twenty-One Thousand Six Hundred and Seventy-Nine
421680
Four Hundred and Twenty-One Thousand Six Hundred and Eighty
421682
Four Hundred and Twenty-One Thousand Six Hundred and Eighty-Two
421683
Four Hundred and Twenty-One Thousand Six Hundred and Eighty-Three
421684
Four Hundred and Twenty-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.

4.21681e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000023714608910527153

The reciprocal of 421681.

Palindrome?

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

The number 421681 is not a palindrome.

Not A Prime Number

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

Four hundred and twenty-one thousand six hundred and eighty-one 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.

Four hundred and twenty-one thousand six hundred and eighty-one 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 four hundred and twenty-one thousand six hundred and eighty-one has the following 3 prime factors:

13
Thirteen
163
One Hundred and Sixty-Three
199
One Hundred and Ninety-Nine

Prime Factorization

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

131 · 1631 · 1991 = 421681

Base Conversions

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