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bBlog: If you know a distinctive fact about a number not listed here, please e-mail me. Divisors, algebra, primes, sums of powers, powers/polygonal, matrices, graphs, combinatorics, Fibonacci, digits, perfect/amicable, bases, repdigits, geometry… [bBlog: The sales, marketing and business weblog | XPLANE]
F’rinstance: 87 is the sum of the squares of the first 4 primes.
Kuwuhl.