The Number

221555

Two Hundred and Twenty-One Thousand Five Hundred and Fifty-Five

Nearby Numbers

Positive, nonzero integers within three units

221552
Two Hundred and Twenty-One Thousand Five Hundred and Fifty-Two
221553
Two Hundred and Twenty-One Thousand Five Hundred and Fifty-Three
221554
Two Hundred and Twenty-One Thousand Five Hundred and Fifty-Four
221556
Two Hundred and Twenty-One Thousand Five Hundred and Fifty-Six
221557
Two Hundred and Twenty-One Thousand Five Hundred and Fifty-Seven
221558
Two Hundred and Twenty-One Thousand Five Hundred and Fifty-Eight

Scientific Notation

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

2.21555e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004513551939698946

The reciprocal of 221555.

Palindrome?

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

The number 221555 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 five hundred and fifty-five 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 five hundred and fifty-five 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 five hundred and fifty-five has the following 3 prime factors:

5
Five
73
Seventy-Three
607
Six Hundred and Seven

Prime Factorization

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

51 · 731 · 6071 = 221555

Base Conversions

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