The Number
2009
Two Thousand and Nine
In Base 12 Duodecimal Is
11b512
The numbers with a 12 subscript use Base 12 Duodecimal notation.
For more familiar numbers: See Two Thousand and Nine 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.
2.009e3
Reciprocal
A number multiplied with its reciprocal is one.
0.000a3a3788192721a712
The reciprocal of 2009 in Base 12 Duodecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 11b512 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Two thousand and nine is a composite number with 6 total factors (including 1 and itself). See primes in Base 12 Duodecimal
A Composite
Composites have more than just these two factors.
Two thousand and nine is a composite number with 6 total factors (including 1 and itself).
Prime Factors
The number two thousand and nine 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
7122
·
35121
= 11b512
Base Conversions
The number two thousand and nine in 35 different bases