The Number
81312
Eighty-One Thousand Three Hundred and Twelve
In Base 13 Tridecimal Is
2b01a13
The numbers with a 13 subscript use Base 13 Tridecimal notation.
For more familiar numbers: See Eighty-One Thousand Three Hundred and Twelve 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.
8.1312e4
Reciprocal
A number multiplied with its reciprocal is one.
0.000047491520b71ba413
The reciprocal of 81312 in Base 13 Tridecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 2b01a13 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Eighty-one thousand three hundred and twelve is a composite number with 72 total factors (including 1 and itself). See primes in Base 13 Tridecimal
A Composite
Composites have more than just these two factors.
Eighty-one thousand three hundred and twelve is a composite number with 72 total factors (including 1 and itself).
Prime Factors
The number eighty-one thousand three hundred and twelve 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
2135
·
3131
·
7131
·
b132
= 2b01a13
Base Conversions
The number eighty-one thousand three hundred and twelve in 35 different bases