Gw mau tau 650-an dari 600 (nombor). Jelasin dalam bahasa melayu

650 = 2 × 52 × 13, square pyramidal number, pronic number, tak totient, totient sum for first 46 integers

651 = 3 × 7 × 31, nombor sphenik, nonagonal number

652 = 22 × 163

653 nombor perdana, Sophie Germain prime, balanced prime, Chen prime, Eisenstein prime with no imaginary part

654 = 2 × 3 × 109, nombor sphenik, tak totient, Smith number

655 = 5 × 131

656 = 24 × 41

657 = 32 × 73, probably the largest number not of the form a2+s with s a semiprime

658 = 2 × 7 × 47, nombor sphenik

659 nombor perdana, Sophie Germain prime, sum of seven consecutive primes (79 + 83 + 89 + 97 + 101 + 103 + 107), Chen prime, fungsi Mertens sets new low of -10 which stands until 661, highly cototient number, Eisenstein prime with no imaginary part, strictly non-palindromic number