228 229 → Prime no | Factorization 2× 3 × 19 Roman numeral CCXXVIII | |
Cardinal two hundred twenty-eight Ordinal 228th
(two hundred and twenty-eighth) | ||
228 (two hundred [and] twenty-eight) is the natural number following 227 and preceding 229.
228 is a refactorable number, and a practical number. There are 228 matchings in a ladder graph with five rungs. 228 is the smallest even number n such that the numerator of the nth Bernoulli number is divisible by a nontrivial square number that is relatively prime to n.
References
228 (number) Wikipedia(Text) CC BY-SA