1, 13 and 169.
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5^2 = 25 (5 - 1)! + 1 = 4! + 1 = 24 + 1 = 25 25 divides 25 and so 5 is a Wilson prime. 13^2 = 169 (13 - 1)! + 1 = 12! + 1 = 479001600 + 1 = 479001601 169 divides 479001601 (= 2834329) so 13 is a Wilson prime.
169 + 169 = 338
25% of 169 = 42.25= 25% * 169 = 25%/100% * 169 = 0.25 * 169 = 42.25
169 times -1 = -169
169 is the ratio of 169 to 1, so it's rational.