Happy Songkran Day! There are a handful of beautiful numbers to celebrate my big holiday in Thailand!
Total members (all years): 6
Members: 5
Sun Water = E[999999]999999#^^#999999 in Extended Cascading-E notation
Black Water = E[4]20#{#{#}#}#20 in Hyper-Extended Cascading-E notation
True Water = Rayo^Sun Water(999999)
Brightness = G129,472
Sunshine = 416^^^^^416
Not planned here.
Member: 1
Songkran's Substitution = s(2026, 13, 14, 15, 16 {2} 2) in strong array notation