Benkoski and Erdős [BeEr74](https://mathscinet.ams.org/mathscinet/relay-station?mr=347726) proved that the set of weird numbers has positive density.

Erdős problem 470

Benkoski and Erdős BeEr74 proved that the set of weird numbers has positive density.

The source's own material, retained exactly.

8 retained statements36c6d0fef71a

FormalConjectures/ErdosProblems/

470.lean

Retained formal statement4 of 8

Fang Fa22 has shown there are no odd weird numbers below $10^{21}$ .

FormalConjectures/ErdosProblems/470.leanErdos470.erdos_470.variants.odd_weird_10_pow_211 lineExact file

1∀ n < 10 ^ 21, Odd n → ¬n.Weird

SolvedStatement only, no proof