The Number
61
Sixty-One
In Base 11 Undecimal Is
5611
The numbers with a 11 subscript use Base 11 Undecimal notation.
For more familiar numbers: See Sixty-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.
6.1e1
Reciprocal
A number multiplied with its reciprocal is one.
0.01a901a901a901a911
The reciprocal of 61 in Base 11 Undecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 5611 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Sixty-one is the 18th prime number. See primes in Base 11 Undecimal
Not A Composite
Composites have more than just these two factors.
Sixty-One is not a composite number because it has exactly two factors: One and Sixty-One
Prime Factors
The number sixty-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
56111
= 5611
Base Conversions
The number sixty-one in 35 different bases