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We attempt to quantify the exact proportion of monic p-adic polynomials of degree n which are irreducible. We find an exact answer to this when n is prime and p n, and also when n = 4 and p 2. Our answers are rational functions in p. This relates to previous work done to find exact proportions of p-adic polynomials of degree n which have k roots.
Isaac Rajagopal (Tue,) studied this question.