The Number

221042

Two Hundred and Twenty-One Thousand and Forty-Two

Nearby Numbers

Positive, nonzero integers within three units

221039
Two Hundred and Twenty-One Thousand and Thirty-Nine
221040
Two Hundred and Twenty-One Thousand and Forty
221041
Two Hundred and Twenty-One Thousand and Forty-One
221043
Two Hundred and Twenty-One Thousand and Forty-Three
221044
Two Hundred and Twenty-One Thousand and Forty-Four
221045
Two Hundred and Twenty-One Thousand and Forty-Five

Scientific Notation

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

2.21042e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004524027107970431

The reciprocal of 221042.

Palindrome?

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

The number 221042 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 twenty-one thousand and forty-two 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.

Two hundred and twenty-one thousand and forty-two 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 two hundred and twenty-one thousand and forty-two has the following 3 prime factors:

2
Two
79
Seventy-Nine
1399
One Thousand Three Hundred and Ninety-Nine

Prime Factorization

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

21 · 791 · 13991 = 221042

Base Conversions

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