@heir:
d18! = (15) = 15
d18! = (15) = 15d15! = (15+9) = 24d24! = (8) = 8d8! = (7) = 7d7! = (7+5) = 12d12! = (6) = 6d6! = (4) = 4d4! = (3) = 3d3! = (2) = 2d2! = (1) = 1d1488 = (1444) = 1444d2021 = (107) = 107d7777 = (5508) = 5508d100 = (16) = 16d16! = (13) = 13d13! = (7) = 7d7! = (2) = 2d2! = (2+2+2+2+2+1) = 11d11! = (2) = 2d2! = (1) = 1d1488 = (445) = 445d2021 = (1302) = 1302d7777 = (5459) = 54591d30 = (21) = 211d30 = (29) = 29d100 = (45) = 45d20! = (18) = 18d18! = (18+6) = 24d24! = (1) = 1d1488 = (395) = 395d2021 = (1071) = 1071d7777 = (3867) = 3867d100 = (58) = 58d99 = (11) = 111d100 = (70) = 70d98 = (25) = 25d1000! = (310) = 310