# Find the next number after 40755 that is: # trangular, pentagonal, and hexagonal from eulermath import tri, pent, hex, istri, ispent, ishex # Testing - print out numbers and check them # for i in range(40): # print "%d ist? %d isp? %d ish? %d" % (i,istri(i), ispent(i), ishex(i)) if __name__ = "__main__": # Hexagonal numbers have the largest jumps in them, # start with H(143) and go up n = 143 # for testing set below 143 and see if it finds H(143) found = False while not found: n += 1 Hn = hex(n) # There are fewer pentagonal numbers than triangular if ispent(Hn): if istri(Hn): found = True tn = istri(Hn) pn = ispent(Hn) print "The next triangular, pengagonal, and hexagonal number is:" print "\t\tT(%d) = T(%d) = H(%d) = %d" % (tn, pn, n, Hn)