The Number
2081
Two Thousand and Eighty-One
In Base 21 Unovigesimal Is
4f221
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Two Thousand and Eighty-One 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.
2.081e3
Reciprocal
A number multiplied with its reciprocal is one.
0.00499bihi1k6ghc21
The reciprocal of 2081 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 4f221 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Two thousand and eighty-one is the 313th prime number. See primes in Base 21 Unovigesimal
Not A Composite
Composites have more than just these two factors.
Two Thousand and Eighty-One is not a composite number because it has exactly two factors: One and Two Thousand and Eighty-One
Prime Factors
The number two thousand and eighty-one has the following 1 prime factor:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
4f2211
= 4f221
Base Conversions
The number two thousand and eighty-one in 35 different bases