47444544

Appears in sequences

• Smallest square containing exactly n 4's.at n=5A036511
• Squares composed of digits {4,5,7}.at n=2A053951
• a(n) = smallest square containing n copies of the same nonzero digit.at n=5A137434
• Smallest nontrivial positive power x such that the number of even powers (i.e., even base) not exceeding x exceeds by n the number of odd powers not exceeding x.at n=5A200729
• Perfect powers such that the two immediately adjacent perfect powers both have an exponent greater than 2.at n=20A340642