Keyword Analysis & Research: 80


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What is 80 in maths?

In mathematics 80 is: the sum of Euler's totient function φ (x) over the first sixteen integers. a semiperfect number, since adding up some subsets of its divisors (e.g., 1, 4, 5, 10, 20 and 40) gives 80.

What is 80 as a ménage number?

a semiperfect number, since adding up some subsets of its divisors (e.g., 1, 4, 5, 10, 20 and 40) gives 80. a ménage number.

What is 80 as a semiperfect number?

a semiperfect number, since adding up some subsets of its divisors (e.g., 1, 4, 5, 10, 20 and 40) gives 80. a ménage number. palindromic in bases 3 (2222 3 ), 6 (212 6 ), 9 (88 9 ), 15 (55 15 ), 19 (44 19) and 39 (22 39 ). a repdigit in bases 3, 9, 15, 19 and 39.

What is the 80 of the ‘80s music podcast?

This is the 80 of the ‘80s Music Podcast - with your... Great music and legendary guests, plus Geoff Barker's Rock 'n' Roll Roots And Shoots. The GR80s – the great 80s movie debate podcast features a panelist of movie fanatics born and raised in the 80s. Each episode featured a beloved classic 80s movie.


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