The Number
49
Forty-Nine
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.
4.9e1
Reciprocal
A number multiplied with its reciprocal is one.
0.02040816326530612
The reciprocal of 49.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 49 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Forty-nine is a composite number with 3 total factors (including 1 and itself). See primes in Base 10 Decimal
A Composite
Composites have more than just these two factors.
Forty-nine is a composite number with 3 total factors (including 1 and itself).
Prime Factors
The number forty-nine 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
72
= 49
Base Conversions
The number forty-nine in 35 different bases