Abstract
IN the review of the above book (NATURE, November 7), mention is made of the curious fact that 8 × 123456789 + 9 = 987654321. It may be of interest to point out that this is not an isolated numerical curiosity, but is, I find, one of a group of similar curiosities which are included in the following easily proved theorem.
Article PDF
Rights and permissions
About this article
Cite this article
LUCAS, W. “L'Arithmétique Amusante”. Nature 53, 79 (1895). https://doi.org/10.1038/053079c0
Issue Date:
DOI: https://doi.org/10.1038/053079c0
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.