The Number
11
Eleven
In Base 8 Octal Is
138
The numbers with a 8 subscript use Base 8 Octal notation.
For more familiar numbers: See Eleven 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.
1.1e1
Reciprocal
A number multiplied with its reciprocal is one.
0.05642721350564272148
The reciprocal of 11 in Base 8 Octal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 138 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Eleven is the 5th prime number. See primes in Base 8 Octal
Not A Composite
Composites have more than just these two factors.
Eleven is not a composite number because it has exactly two factors: One and Eleven
Prime Factors
The number eleven 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
1381
= 138
Base Conversions
The number eleven in 35 different bases