# Hilbert-Waring Theorem/Variant Form/Particular Cases/7/Historical Note

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## Particular Case of the Hilbert-Waring Theorem -- Variant Form: $k = 7$: Historical Note

David Wells reports in his *Curious and Interesting Numbers* of $1986$ that:

*All sufficiently large numbers are the sum of at most $137$ seventh powers.*

At time of writing that may have been adequate, but since then the subject has moved on considerably.

The statement has been removed from later editions.

## Sources

- 1986: David Wells:
*Curious and Interesting Numbers*... (previous) ... (next): $137$