Lemma
DeepDigits
#1119 · Number Theory · Digits

Perfect square for large radices

Show that the numeral is a perfect square in every radix greater than .

~8 minProof · checked by AIperfect squareradix representation

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. VII. Scales of Notation, Examples VII.b, No. 27

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