The Number
21664
Twenty-One Thousand Six Hundred and Sixty-Four
In Base 19 Nonadecimal Is
330419
The numbers with a 19 subscript use Base 19 Nonadecimal notation.
For more familiar numbers: See Twenty-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.
2.1664e4
Reciprocal
A number multiplied with its reciprocal is one.
0.000605bd4b8gc78919
The reciprocal of 21664 in Base 19 Nonadecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 330419 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Twenty-one thousand six hundred and sixty-four is a composite number with 12 total factors (including 1 and itself). See primes in Base 19 Nonadecimal
A Composite
Composites have more than just these two factors.
Twenty-one thousand six hundred and sixty-four is a composite number with 12 total factors (including 1 and itself).
Prime Factors
The number twenty-one thousand six hundred and sixty-four has the following 2 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
2195
·
1gc191
= 330419
Base Conversions
The number twenty-one thousand six hundred and sixty-four in 35 different bases