The Number
81664
Eighty-One Thousand Six Hundred and Sixty-Four
In Base 14 Quattuordecimal Is
21a9214
The numbers with a 14 subscript use Base 14 Quattuordecimal notation.
For more familiar numbers: See Eighty-One Thousand Six Hundred and Sixty-Four 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.
8.1664e4
Reciprocal
A number multiplied with its reciprocal is one.
0.0000682b6956b341214
The reciprocal of 81664 in Base 14 Quattuordecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 21a9214 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 six hundred and sixty-four is a composite number with 36 total factors (including 1 and itself). See primes in Base 14 Quattuordecimal
A Composite
Composites have more than just these two factors.
Eighty-one thousand six hundred and sixty-four is a composite number with 36 total factors (including 1 and itself).
Prime Factors
The number eighty-one thousand six hundred and sixty-four has the following 3 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
2148
·
b141
·
21141
= 21a9214
Base Conversions
The number eighty-one thousand six hundred and sixty-four in 35 different bases