The Number

421001

Four Hundred and Twenty-One Thousand and One

Nearby Numbers

Positive, nonzero integers within three units

420998
Four Hundred and Twenty Thousand Nine Hundred and Ninety-Eight
420999
Four Hundred and Twenty Thousand Nine Hundred and Ninety-Nine
421000
Four Hundred and Twenty-One Thousand
421002
Four Hundred and Twenty-One Thousand and Two
421003
Four Hundred and Twenty-One Thousand and Three
421004
Four Hundred and Twenty-One Thousand and Four

Scientific Notation

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

4.21001e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000023752912700919952

The reciprocal of 421001.

Palindrome?

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

The number 421001 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 and 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 and 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 and one has the following 3 prime factors:

7
Seven
137
One Hundred and Thirty-Seven
439
Four Hundred and Thirty-Nine

Prime Factorization

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

71 · 1371 · 4391 = 421001

Base Conversions

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