Question Number 187248 by MWSuSon last updated on 15/Feb/23
$$\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{cardinality}\:\mathrm{of}\:\mathrm{the}\:\mathrm{set}\:\mathrm{of}\:\mathrm{prime}\:\mathrm{numbers}\:\mathrm{whose} \\ $$$$\mathrm{base}\:\mathrm{ten}\:\mathrm{digits}\:\mathrm{sums}\:\mathrm{up}\:\mathrm{to}\:\mathrm{10} \\ $$
Commented by Frix last updated on 15/Feb/23
$$\mathrm{Same}\:\mathrm{as}\:\mathbb{N} \\ $$