Question Number 90087 by john santu last updated on 21/Apr/20
$$\underset{{k}\:=\:\mathrm{1}} {\overset{\infty} {\sum}}\frac{\mathrm{1}}{{k}^{{k}} }\:=\:? \\ $$
Commented by frc2crc last updated on 22/Apr/20
$${its}\:{around}\:\mathrm{1}.\mathrm{29}... \\ $$