The Number
2005
Two Thousand and Five
In Base 21 Unovigesimal Is
4ba21
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Two Thousand and Five 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.
2.005e3
Reciprocal
A number multiplied with its reciprocal is one.
0.004ckk2b03aik6c21
The reciprocal of 2005 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 4ba21 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 five is a composite number with 4 total factors (including 1 and itself). See primes in Base 21 Unovigesimal
A Composite
Composites have more than just these two factors.
Two thousand and five is a composite number with 4 total factors (including 1 and itself).
Prime Factors
The number two thousand and five 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
5211
·
j2211
= 4ba21
Base Conversions
The number two thousand and five in 35 different bases