@Lute:
7d7777777 = (949471+3405775+1094237+5252404+6290456+4228234+403913) = 21624490
7d7777777 = (949471+3405775+1094237+5252404+6290456+4228234+403913) = 21624490d2020 = (300) = 300d20! = (10) = 10d10! = (3) = 3d3! = (3+3+2) = 8d8! = (6) = 6d6! = (4) = 4d4! = (3) = 3d3! = (3+2) = 5d5! = (5+2) = 7d7! = (1) = 1d7777 = (5111) = 5111d1488 = (595) = 595d20 = (9) = 9d100 = (97) = 97d100 = (14) = 14d100 = (44) = 44d100 = (2) = 2d2020 = (1654) = 1654d2020 = (1790) = 1790d2020 = (662) = 662d2020 = (1890) = 1890d2020 = (1549) = 1549d20! = (1) = 1