The Number
19
Nineteen
In Base 11 Undecimal Is
1811
The numbers with a 11 subscript use Base 11 Undecimal notation.
For more familiar numbers: See Nineteen 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.
1.9e1
Reciprocal
A number multiplied with its reciprocal is one.
0.0640640640640640611
The reciprocal of 19 in Base 11 Undecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 1811 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Nineteen is the 8th prime number. See primes in Base 11 Undecimal
Not A Composite
Composites have more than just these two factors.
Nineteen is not a composite number because it has exactly two factors: One and Nineteen
Prime Factors
The number nineteen 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
18111
= 1811
Base Conversions
The number nineteen in 35 different bases