numbers ∕ four-digit numbers 50xxtable of four-digit numbers (digits) ⫽ 5000 ― 509950x050x150x250x350x450x550x650x750x850x95000500150025003500450055006500750085009501050115012501350145015501650175018501950205021502250235024502550265027502850295030503150325033503450355036503750385039504050415042504350445045504650475048504950505051505250535054505550565057505850595060506150625063506450655066506750685069507050715072507350745075507650775078507950805081508250835084508550865087508850895090509150925093509450955096509750985099
@ifckr.v.0.