bilangan

bilangan cacah = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
bilangan asli = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
bilangan genap = 0, 2, 4, 6, 8, 10, 12, 14, 16, 18
bilangan ganjil = 1, 3, 5, 7, 9, 11, 13, 15, 17, 19
bilangan prima = 2, 3, 5, 7, 11, 13, 17, 19, 23, 29
bilangan komposit = 4, 6, 8, 9, 10, 12, 14, 15, 16, 18
bilangan segitiga = 1, 3, 6, 10, 15, 21, 28, 36, 45, 55
bilangan persegi = 1, 4, 9, 16, 25, 36, 49, 64, 81, 100