The Number
91
Ninety-One
In Base 13 Tridecimal Is
7013
The numbers with a 13 subscript use Base 13 Tridecimal notation.
For more familiar numbers: See Ninety-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.
9.1e1
Reciprocal
A number multiplied with its reciprocal is one.
0.01b1b1b1b1b1b1b313
The reciprocal of 91 in Base 13 Tridecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 7013 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Ninety-one is a composite number with 4 total factors (including 1 and itself). See primes in Base 13 Tridecimal
A Composite
Composites have more than just these two factors.
Ninety-one is a composite number with 4 total factors (including 1 and itself).
Prime Factors
The number ninety-one 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
7131
·
10131
= 7013
Base Conversions
The number ninety-one in 35 different bases