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David Radcliffe /
npub19ex…vnda
2024-10-01 16:01:18

David Radcliffe on Nostr: 1, 3, and 11677 are the only odd numbers less than 10^11 whose squares can be written ...

1, 3, and 11677 are the only odd numbers less than 10^11 whose squares can be written in base 8 using only the digits 0 and 1.

1² = 1₈
3² = 11₈
11677² = 1010111111₈

Are there any other (odd) numbers with this property?
Author Public Key
npub19ex99kwdn49rvjjja3glrg7du7hn4t5q86wkpe0vqkpe0cmqn2usmwvnda