The Number
71
Seventy-One
In Base 7 Septenary Is
1317
The numbers with a 7 subscript use Base 7 Septenary notation.
For more familiar numbers: See Seventy-One 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.
7.1e1
Reciprocal
A number multiplied with its reciprocal is one.
0.0045550124430252160547
The reciprocal of 71 in Base 7 Septenary.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 1317 is a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Seventy-one is the 20th prime number. See primes in Base 7 Septenary
Not A Composite
Composites have more than just these two factors.
Seventy-One is not a composite number because it has exactly two factors: One and Seventy-One
Prime Factors
The number seventy-one 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
13171
= 1317
Base Conversions
The number seventy-one in 35 different bases