Sha256: 45413a93762e2c71f3725954baf4eeada26ffffcf5741527e3a4dde1568818f6
Contents?: true
Size: 190 Bytes
Versions: 14
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Stored size: 190 Bytes
Contents
class Integer
def nonhypotenuse?
# Shanks, Daniel Non-hypotenuse numbers. Fibonacci Quart. 13 (1975), no.
# 4, 319-321.
prime_factors.none?{|f| (f - 1).divides?(4) }
end
end
Version data entries
14 entries across 14 versions & 1 rubygems