Question Number 122668 by mathocean1 last updated on 18/Nov/20
$${Esta}\:{has}\:{a} \\ $$ $$\:{directory}.\:{it}\:{contains}\: \\ $$ $${n}\:\left({n}<\mathrm{1000}\right)\:{pages}\:{where}\: \\ $$ $$\mathrm{999991}\:{subscribers}\:{are}\:{registered} \\ $$ $${and}\:{each}\:{page}\:{contains}\:{the}\: \\ $$ $${same}\:{numbers}\:{of}\:{subscribers}. \\ $$ $${How}\:{many}\:{pages}\:{does}\:{this} \\ $$ $${directory}\:{has}? \\ $$