The Number
221918
Two Hundred and Twenty-One Thousand Nine Hundred and Eightteen
In Base 13 Tridecimal Is
7a01813
The numbers with a 13 subscript use Base 13 Tridecimal notation.
For more familiar numbers: See Two Hundred and Twenty-One Thousand Nine Hundred and Eightteen in Base 10 Decimal
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.
2.21918e5
Reciprocal
A number multiplied with its reciprocal is one.
0.00001899a886881aa8713
The reciprocal of 221918 in Base 13 Tridecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 7a01813 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 eightteen is a composite number with 16 total factors (including 1 and itself). See primes in Base 13 Tridecimal
A Composite
Composites have more than just these two factors.
Two hundred and twenty-one thousand nine hundred and eightteen is a composite number with 16 total factors (including 1 and itself).
Prime Factors
The number two hundred and twenty-one thousand nine hundred and eightteen 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
2131
·
14131
·
49131
·
83131
= 7a01813
Base Conversions
The number two hundred and twenty-one thousand nine hundred and eightteen in 35 different bases