Perfect Square
198992052712824218713681984 is a perfect square (14106454292728 × 14106454292728)
198992052712824218713681984 is a perfect square (14106454292728 × 14106454292728)
10100100 10011010 00110100 11001010 11111101 01110000 11100000 11011010 00001001 01110000 01000000
198992052712824218713681984 is even
Previous even number is 198992052712824218713681982
Next even number is 198992052712824218713681986
7879654876147299662402480081477476304612113480511917537370068423138678155771904