<https://www.17thshard.com/forums/topic/60173-did-the-number-16-have-any-significance-before-the-shattering-of-adonalsium/#comment-584333>
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"The significance of 16 is universal and pervasive in strange ways across the Cosmere and is not attributable to any one Shard.\n \n\n\n\tIt's probably not a coincidence that Adonalsium was shattered into 16 pieces, as that would be straining credulity. It may have just been because of the Vessels' superstition however, so it's pretty early to speculate.\n \n\n\n\tThe number 16 appears to have a \"natural\" significance IRL as well, which is probably what inspired Sanderson to use it. Google \"hexadecimal,\" if you're curious.\n \n"
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