The Number
81533
Eighty-One Thousand Five Hundred and Thirty-Three
In Base 13 Tridecimal Is
2b15a13
The numbers with a 13 subscript use Base 13 Tridecimal notation.
For more familiar numbers: See Eighty-One Thousand Five Hundred and Thirty-Three 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.
8.1533e4
Reciprocal
A number multiplied with its reciprocal is one.
0.00004727bb7b696353913
The reciprocal of 81533 in Base 13 Tridecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 2b15a13 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Eighty-one thousand five hundred and thirty-three is the 7974th prime number. See primes in Base 13 Tridecimal
Not A Composite
Composites have more than just these two factors.
Eighty-One Thousand Five Hundred and Thirty-Three is not a composite number because it has exactly two factors: One and Eighty-One Thousand Five Hundred and Thirty-Three
Prime Factors
The number eighty-one thousand five hundred and thirty-three 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
2b15a131
= 2b15a13
Base Conversions
The number eighty-one thousand five hundred and thirty-three in 35 different bases