837 = 33 x 31.
837 is a divisor of 266 - 1.
837 is 345 in base 16.
837 is the sum of two consecutive primes and the composite numbers in between: 837 = 89 + 90 + 91 + 92 + 93 + 94 + 95 + 96 + 97.
Halley's comet was particularly bright when it appeared in the year 837 and made one of its closest approaches to Earth.
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