The Number
1289
One Thousand Two Hundred and Eighty-Nine
In Base 25 Pentavigesimal Is
21e25
The numbers with a 25 subscript use Base 25 Pentavigesimal notation.
For more familiar numbers: See One Thousand Two Hundred and Eighty-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.
1.289e3
Reciprocal
A number multiplied with its reciprocal is one.
0.00c31331f62i925
The reciprocal of 1289 in Base 25 Pentavigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 21e25 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
One thousand two hundred and eighty-nine is the 209th prime number. See primes in Base 25 Pentavigesimal
Not A Composite
Composites have more than just these two factors.
One Thousand Two Hundred and Eighty-Nine is not a composite number because it has exactly two factors: One and One Thousand Two Hundred and Eighty-Nine
Prime Factors
The number one thousand two hundred and eighty-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
21e251
= 21e25
Base Conversions
The number one thousand two hundred and eighty-nine in 35 different bases