The Number
221980
Two Hundred and Twenty-One Thousand Nine Hundred and Eighty
Nearby Numbers
Positive, nonzero integers within three units
Scientific Notation
Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.
2.21980e5
Reciprocal
A number multiplied with its reciprocal is one.
0.00000450491035228399
The reciprocal of 221980.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 221980 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 nine hundred and eighty is a composite number with 24 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 nine hundred and eighty is a composite number with 24 total factors (including 1 and itself).
Prime Factors
The number two hundred and twenty-one thousand nine hundred and eighty has the following 4 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
22
·
51
·
111
·
10091
= 221980
Base Conversions
The number two hundred and twenty-one thousand nine hundred and eighty in 35 different bases