Burt Kaliski Jr. (@modulomathy)
3/30/12 8:01 AM
#math trivia for #March30: #90 has four pairs of consecutive divisors: (1,2)(2,3)(5,6)(9,10). What’s the next number with at least four?
The next number is 120: (1,2)(2,3)(3,4)(4,5)(5,6) — five pairs of consecutive divisors.
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