703 (seven hundred [and] three) is the natural number following 702 and preceding 704.
In mathematics The prime factorization of 703 is , meaning that 703 is a composite number with four divisors.
703 is a triangular number, a hexagonal number, a centered nonagonal number, a brilliant number, a discriminant of imaginary quadratic fields with class number 14, a pseudoprime to base 3 which is also strong, and a Base 3 Euler-Jacobi pseudoprime.
703 is a Kaprekar number, since , and . It is also one of only four known 3-Kaprekar numbers, since .
It being a triangular, and Kaprekar number, it is the only Kaprekar number that is triangular.
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