The Number
21668
Twenty-One Thousand Six Hundred and Sixty-Eight
In Base 7 Septenary Is
1201137
The numbers with a 7 subscript use Base 7 Septenary notation.
For more familiar numbers: See Twenty-One Thousand Six Hundred and Sixty-Eight 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.
2.1668e4
Reciprocal
A number multiplied with its reciprocal is one.
0.000005300234221111231347
The reciprocal of 21668 in Base 7 Septenary.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 1201137 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-eight is a composite number with 6 total factors (including 1 and itself). See primes in Base 7 Septenary
A Composite
Composites have more than just these two factors.
Twenty-one thousand six hundred and sixty-eight is a composite number with 6 total factors (including 1 and itself).
Prime Factors
The number twenty-one thousand six hundred and sixty-eight 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
272
·
2153671
= 1201137
Base Conversions
The number twenty-one thousand six hundred and sixty-eight in 35 different bases