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15 is Lucifer

 15 is Lucifer
because it is 6 when added up

and

Aviation English

 

EL = 73

56

 56

is octo

the sum of six consecutive primes (3 + 5 + 7 + 11 + 13 + 17) = 56

thats starts at 3 and ends at 17(1+7=8) ??? 3 and 8 ? 38? or 3 8s 888?

or the number of ways to choose 3 out of 8 objects or 5 out of 8 objects, if order does not matter.

https://en.wikipedia.org/wiki/56_(number)

Etymology - 'Suffer'

Pay special At-tension to the cognitive-dissonance of this word.

Also be vigilant about words beginning with the prefix "sub" in them.  a word that can mean "up and under" at the same time?

 Tags: 15 - Lucifer - Minutes - Fame - Andy Warhol - Phosphorus - Aviation - English - Air - Traffic - Controller - Aviation - Suffer - Etymology - EL = 73 -