The Number
221820
Two Hundred and Twenty-One Thousand Eight Hundred and Twenty
In Base 21 Unovigesimal Is
12jki21
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Two Hundred and Twenty-One Thousand Eight Hundred and Twenty 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.
2.21820e5
Reciprocal
A number multiplied with its reciprocal is one.
0.0000i8dca77ki8g221
The reciprocal of 221820 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 12jki21 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 eight hundred and twenty is a composite number with 24 total factors (including 1 and itself). See primes in Base 21 Unovigesimal
A Composite
Composites have more than just these two factors.
Two hundred and twenty-one thousand eight hundred and twenty is a composite number with 24 total factors (including 1 and itself).
Prime Factors
The number two hundred and twenty-one thousand eight hundred and twenty 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
2212
·
3211
·
5211
·
881211
= 12jki21
Base Conversions
The number two hundred and twenty-one thousand eight hundred and twenty in 35 different bases