How High Can We Count Without A MOD?

 
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37 (thirty-seven) is the natural number following 36 and preceding 38


Thirty-seven is the 12th prime number, a permutable prime with 73 (which is the 21st prime number). 37 is the fifth lucky prime,[1] the first irregular prime,[2] the third unique prime[3] and the third cuban prime of the form[4]


37 is the smallest prime that is not also a supersingular prime.


It is a centered hexagonal number[5] and a star number.[6]


Every positive integer is the sum of at most 37 fifth powers (see Waring's problem).


37 appears in the Padovan sequence, preceded by the terms 16, 21, and 28 (it is the sum of the first two of these).[7]


Since the greatest prime factor of 372 + 1 = 1370 is 137, which is substantially more than 37 twice, 37 is a Størmer number.[8]

 

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