The Number

421991

Four Hundred and Twenty-One Thousand Nine Hundred and Ninety-One

Nearby Numbers

Positive, nonzero integers within three units

421988
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Eight
421989
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Nine
421990
Four Hundred and Twenty-One Thousand Nine Hundred and Ninety
421992
Four Hundred and Twenty-One Thousand Nine Hundred and Ninety-Two
421993
Four Hundred and Twenty-One Thousand Nine Hundred and Ninety-Three
421994
Four Hundred and Twenty-One Thousand Nine Hundred and Ninety-Four

Scientific Notation

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

4.21991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000002369718785471728

The reciprocal of 421991.

Palindrome?

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

The number 421991 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 nine hundred and ninety-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 nine hundred and ninety-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 nine hundred and ninety-one has the following 3 prime factors:

17
Seventeen
103
One Hundred and Three
241
Two Hundred and Forty-One

Prime Factorization

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

171 · 1031 · 2411 = 421991

Base Conversions

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