<Li> a prime number has only 1 and itself as divisors; that is, d (n) = 2 . Prime numbers are always deficient as s (n) = 1 </Li> <Table> <Tr> <Th> n </Th> <Th> Divisors </Th> <Th> d (n) </Th> <Th> σ (n) </Th> <Th> s (n) </Th> <Th> Notes </Th> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 0 </Td> <Td> deficient, highly abundant, highly composite </Td> </Tr> <Tr> <Th> </Th> <Td> 1, 2 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> deficient, highly abundant, prime, highly composite, superior highly composite </Td> </Tr> <Tr> <Th> </Th> <Td> 1, 3 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> deficient, highly abundant, prime </Td> </Tr> <Tr> <Th> </Th> <Td> 1, 2, 4 </Td> <Td> </Td> <Td> 7 </Td> <Td> </Td> <Td> deficient, highly abundant, composite, highly composite </Td> </Tr> <Tr> <Th> 5 </Th> <Td> 1, 5 </Td> <Td> </Td> <Td> 6 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 6 </Th> <Td> 1, 2, 3, 6 </Td> <Td> </Td> <Td> 12 </Td> <Td> 6 </Td> <Td> perfect, highly abundant, composite, highly composite, superior highly composite </Td> </Tr> <Tr> <Th> 7 </Th> <Td> 1, 7 </Td> <Td> </Td> <Td> 8 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 8 </Th> <Td> 1, 2, 4, 8 </Td> <Td> </Td> <Td> 15 </Td> <Td> 7 </Td> <Td> deficient, highly abundant, composite </Td> </Tr> <Tr> <Th> 9 </Th> <Td> 1, 3, 9 </Td> <Td> </Td> <Td> 13 </Td> <Td> </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 10 </Th> <Td> 1, 2, 5, 10 </Td> <Td> </Td> <Td> 18 </Td> <Td> 8 </Td> <Td> deficient, highly abundant, composite </Td> </Tr> <Tr> <Th> 11 </Th> <Td> 1, 11 </Td> <Td> </Td> <Td> 12 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 12 </Th> <Td> 1, 2, 3, 4, 6, 12 </Td> <Td> 6 </Td> <Td> 28 </Td> <Td> 16 </Td> <Td> abundant, highly abundant, composite, highly composite, superior highly composite </Td> </Tr> <Tr> <Th> 13 </Th> <Td> 1, 13 </Td> <Td> </Td> <Td> 14 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 14 </Th> <Td> 1, 2, 7, 14 </Td> <Td> </Td> <Td> 24 </Td> <Td> 10 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 15 </Th> <Td> 1, 3, 5, 15 </Td> <Td> </Td> <Td> 24 </Td> <Td> 9 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 16 </Th> <Td> 1, 2, 4, 8, 16 </Td> <Td> 5 </Td> <Td> 31 </Td> <Td> 15 </Td> <Td> deficient, highly abundant, composite </Td> </Tr> <Tr> <Th> 17 </Th> <Td> 1, 17 </Td> <Td> </Td> <Td> 18 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 18 </Th> <Td> 1, 2, 3, 6, 9, 18 </Td> <Td> 6 </Td> <Td> 39 </Td> <Td> 21 </Td> <Td> abundant, highly abundant, composite </Td> </Tr> <Tr> <Th> 19 </Th> <Td> 1, 19 </Td> <Td> </Td> <Td> 20 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 20 </Th> <Td> 1, 2, 4, 5, 10, 20 </Td> <Td> 6 </Td> <Td> 42 </Td> <Td> 22 </Td> <Td> abundant, highly abundant, composite </Td> </Tr> <Tr> <Th> n </Th> <Th> Divisors </Th> <Th> d (n) </Th> <Th> σ (n) </Th> <Th> s (n) </Th> <Th> Notes </Th> </Tr> <Tr> <Th> 21 </Th> <Td> 1, 3, 7, 21 </Td> <Td> </Td> <Td> 32 </Td> <Td> 11 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 22 </Th> <Td> 1, 2, 11, 22 </Td> <Td> </Td> <Td> 36 </Td> <Td> 14 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 23 </Th> <Td> 1, 23 </Td> <Td> </Td> <Td> 24 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 24 </Th> <Td> 1, 2, 3, 4, 6, 8, 12, 24 </Td> <Td> 8 </Td> <Td> 60 </Td> <Td> 36 </Td> <Td> abundant, highly abundant, composite, highly composite </Td> </Tr> <Tr> <Th> 25 </Th> <Td> 1, 5, 25 </Td> <Td> </Td> <Td> 31 </Td> <Td> 6 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 26 </Th> <Td> 1, 2, 13, 26 </Td> <Td> </Td> <Td> 42 </Td> <Td> 16 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 27 </Th> <Td> 1, 3, 9, 27 </Td> <Td> </Td> <Td> 40 </Td> <Td> 13 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 28 </Th> <Td> 1, 2, 4, 7, 14, 28 </Td> <Td> 6 </Td> <Td> 56 </Td> <Td> 28 </Td> <Td> perfect, composite </Td> </Tr> <Tr> <Th> 29 </Th> <Td> 1, 29 </Td> <Td> </Td> <Td> 30 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 30 </Th> <Td> 1, 2, 3, 5, 6, 10, 15, 30 </Td> <Td> 8 </Td> <Td> 72 </Td> <Td> 42 </Td> <Td> abundant, highly abundant, composite </Td> </Tr> <Tr> <Th> 31 </Th> <Td> 1, 31 </Td> <Td> </Td> <Td> 32 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 32 </Th> <Td> 1, 2, 4, 8, 16, 32 </Td> <Td> 6 </Td> <Td> 63 </Td> <Td> 31 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 33 </Th> <Td> 1, 3, 11, 33 </Td> <Td> </Td> <Td> 48 </Td> <Td> 15 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 34 </Th> <Td> 1, 2, 17, 34 </Td> <Td> </Td> <Td> 54 </Td> <Td> 20 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 35 </Th> <Td> 1, 5, 7, 35 </Td> <Td> </Td> <Td> 48 </Td> <Td> 13 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 36 </Th> <Td> 1, 2, 3, 4, 6, 9, 12, 18, 36 </Td> <Td> 9 </Td> <Td> 91 </Td> <Td> 55 </Td> <Td> abundant, highly abundant, composite, highly composite </Td> </Tr> <Tr> <Th> 37 </Th> <Td> 1, 37 </Td> <Td> </Td> <Td> 38 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 38 </Th> <Td> 1, 2, 19, 38 </Td> <Td> </Td> <Td> 60 </Td> <Td> 22 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 39 </Th> <Td> 1, 3, 13, 39 </Td> <Td> </Td> <Td> 56 </Td> <Td> 17 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 40 </Th> <Td> 1, 2, 4, 5, 8, 10, 20, 40 </Td> <Td> 8 </Td> <Td> 90 </Td> <Td> 50 </Td> <Td> abundant, composite </Td> </Tr> <Tr> <Th> n </Th> <Th> Divisors </Th> <Th> d (n) </Th> <Th> σ (n) </Th> <Th> s (n) </Th> <Th> Notes </Th> </Tr> <Tr> <Th> 41 </Th> <Td> 1, 41 </Td> <Td> </Td> <Td> 42 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 42 </Th> <Td> 1, 2, 3, 6, 7, 14, 21, 42 </Td> <Td> 8 </Td> <Td> 96 </Td> <Td> 54 </Td> <Td> abundant, highly abundant, composite </Td> </Tr> <Tr> <Th> 43 </Th> <Td> 1, 43 </Td> <Td> </Td> <Td> 44 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 44 </Th> <Td> 1, 2, 4, 11, 22, 44 </Td> <Td> 6 </Td> <Td> 84 </Td> <Td> 40 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 45 </Th> <Td> 1, 3, 5, 9, 15, 45 </Td> <Td> 6 </Td> <Td> 78 </Td> <Td> 33 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 46 </Th> <Td> 1, 2, 23, 46 </Td> <Td> </Td> <Td> 72 </Td> <Td> 26 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 47 </Th> <Td> 1, 47 </Td> <Td> </Td> <Td> 48 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 48 </Th> <Td> 1, 2, 3, 4, 6, 8, 12, 16, 24, 48 </Td> <Td> 10 </Td> <Td> 124 </Td> <Td> 76 </Td> <Td> abundant, highly abundant, composite, highly composite </Td> </Tr> <Tr> <Th> 49 </Th> <Td> 1, 7, 49 </Td> <Td> </Td> <Td> 57 </Td> <Td> 8 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 50 </Th> <Td> 1, 2, 5, 10, 25, 50 </Td> <Td> 6 </Td> <Td> 93 </Td> <Td> 43 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 51 </Th> <Td> 1, 3, 17, 51 </Td> <Td> </Td> <Td> 72 </Td> <Td> 21 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 52 </Th> <Td> 1, 2, 4, 13, 26, 52 </Td> <Td> 6 </Td> <Td> 98 </Td> <Td> 46 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 53 </Th> <Td> 1, 53 </Td> <Td> </Td> <Td> 54 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 54 </Th> <Td> 1, 2, 3, 6, 9, 18, 27, 54 </Td> <Td> 8 </Td> <Td> 120 </Td> <Td> 66 </Td> <Td> abundant, composite </Td> </Tr> <Tr> <Th> 55 </Th> <Td> 1, 5, 11, 55 </Td> <Td> </Td> <Td> 72 </Td> <Td> 17 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 56 </Th> <Td> 1, 2, 4, 7, 8, 14, 28, 56 </Td> <Td> 8 </Td> <Td> 120 </Td> <Td> 64 </Td> <Td> abundant, composite </Td> </Tr> <Tr> <Th> 57 </Th> <Td> 1, 3, 19, 57 </Td> <Td> </Td> <Td> 80 </Td> <Td> 23 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 58 </Th> <Td> 1, 2, 29, 58 </Td> <Td> </Td> <Td> 90 </Td> <Td> 32 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 59 </Th> <Td> 1, 59 </Td> <Td> </Td> <Td> 60 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 60 </Th> <Td> 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60 </Td> <Td> 12 </Td> <Td> 168 </Td> <Td> 108 </Td> <Td> abundant, highly abundant, composite, highly composite, superior highly composite </Td> </Tr> <Tr> <Th> n </Th> <Th> Divisors </Th> <Th> d (n) </Th> <Th> σ (n) </Th> <Th> s (n) </Th> <Th> Notes </Th> </Tr> <Tr> <Th> 61 </Th> <Td> 1, 61 </Td> <Td> </Td> <Td> 62 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 62 </Th> <Td> 1, 2, 31, 62 </Td> <Td> </Td> <Td> 96 </Td> <Td> 34 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 63 </Th> <Td> 1, 3, 7, 9, 21, 63 </Td> <Td> 6 </Td> <Td> 104 </Td> <Td> 41 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 64 </Th> <Td> 1, 2, 4, 8, 16, 32, 64 </Td> <Td> 7 </Td> <Td> 127 </Td> <Td> 63 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 65 </Th> <Td> 1, 5, 13, 65 </Td> <Td> </Td> <Td> 84 </Td> <Td> 19 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 66 </Th> <Td> 1, 2, 3, 6, 11, 22, 33, 66 </Td> <Td> 8 </Td> <Td> 144 </Td> <Td> 78 </Td> <Td> abundant, composite </Td> </Tr> <Tr> <Th> 67 </Th> <Td> 1, 67 </Td> <Td> </Td> <Td> 68 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 68 </Th> <Td> 1, 2, 4, 17, 34, 68 </Td> <Td> 6 </Td> <Td> 126 </Td> <Td> 58 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 69 </Th> <Td> 1, 3, 23, 69 </Td> <Td> </Td> <Td> 96 </Td> <Td> 27 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 70 </Th> <Td> 1, 2, 5, 7, 10, 14, 35, 70 </Td> <Td> 8 </Td> <Td> 144 </Td> <Td> 74 </Td> <Td> abundant, composite, weird </Td> </Tr> <Tr> <Th> 71 </Th> <Td> 1, 71 </Td> <Td> </Td> <Td> 72 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 72 </Th> <Td> 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 </Td> <Td> 12 </Td> <Td> 195 </Td> <Td> 123 </Td> <Td> abundant, highly abundant, composite </Td> </Tr> <Tr> <Th> 73 </Th> <Td> 1, 73 </Td> <Td> </Td> <Td> 74 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 74 </Th> <Td> 1, 2, 37, 74 </Td> <Td> </Td> <Td> 114 </Td> <Td> 40 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 75 </Th> <Td> 1, 3, 5, 15, 25, 75 </Td> <Td> 6 </Td> <Td> 124 </Td> <Td> 49 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 76 </Th> <Td> 1, 2, 4, 19, 38, 76 </Td> <Td> 6 </Td> <Td> 140 </Td> <Td> 64 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 77 </Th> <Td> 1, 7, 11, 77 </Td> <Td> </Td> <Td> 96 </Td> <Td> 19 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 78 </Th> <Td> 1, 2, 3, 6, 13, 26, 39, 78 </Td> <Td> 8 </Td> <Td> 168 </Td> <Td> 90 </Td> <Td> abundant, composite </Td> </Tr> <Tr> <Th> 79 </Th> <Td> 1, 79 </Td> <Td> </Td> <Td> 80 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 80 </Th> <Td> 1, 2, 4, 5, 8, 10, 16, 20, 40, 80 </Td> <Td> 10 </Td> <Td> 186 </Td> <Td> 106 </Td> <Td> abundant, composite </Td> </Tr> <Tr> <Th> n </Th> <Th> Divisors </Th> <Th> d (n) </Th> <Th> σ (n) </Th> <Th> s (n) </Th> <Th> Notes </Th> </Tr> <Tr> <Th> 81 </Th> <Td> 1, 3, 9, 27, 81 </Td> <Td> 5 </Td> <Td> 121 </Td> <Td> 40 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 82 </Th> <Td> 1, 2, 41, 82 </Td> <Td> </Td> <Td> 126 </Td> <Td> 44 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 83 </Th> <Td> 1, 83 </Td> <Td> </Td> <Td> 84 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 84 </Th> <Td> 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 </Td> <Td> 12 </Td> <Td> 224 </Td> <Td> 140 </Td> <Td> abundant, highly abundant, composite </Td> </Tr> <Tr> <Th> 85 </Th> <Td> 1, 5, 17, 85 </Td> <Td> </Td> <Td> 108 </Td> <Td> 23 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 86 </Th> <Td> 1, 2, 43, 86 </Td> <Td> </Td> <Td> 132 </Td> <Td> 46 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 87 </Th> <Td> 1, 3, 29, 87 </Td> <Td> </Td> <Td> 120 </Td> <Td> 33 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 88 </Th> <Td> 1, 2, 4, 8, 11, 22, 44, 88 </Td> <Td> 8 </Td> <Td> 180 </Td> <Td> 92 </Td> <Td> abundant, composite </Td> </Tr> <Tr> <Th> 89 </Th> <Td> 1, 89 </Td> <Td> </Td> <Td> 90 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 90 </Th> <Td> 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90 </Td> <Td> 12 </Td> <Td> 234 </Td> <Td> 144 </Td> <Td> abundant, highly abundant, composite </Td> </Tr> <Tr> <Th> 91 </Th> <Td> 1, 7, 13, 91 </Td> <Td> </Td> <Td> 112 </Td> <Td> 21 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 92 </Th> <Td> 1, 2, 4, 23, 46, 92 </Td> <Td> 6 </Td> <Td> 168 </Td> <Td> 76 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 93 </Th> <Td> 1, 3, 31, 93 </Td> <Td> </Td> <Td> 128 </Td> <Td> 35 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 94 </Th> <Td> 1, 2, 47, 94 </Td> <Td> </Td> <Td> 144 </Td> <Td> 50 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 95 </Th> <Td> 1, 5, 19, 95 </Td> <Td> </Td> <Td> 120 </Td> <Td> 25 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 96 </Th> <Td> 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96 </Td> <Td> 12 </Td> <Td> 252 </Td> <Td> 156 </Td> <Td> abundant, highly abundant, composite </Td> </Tr> <Tr> <Th> 97 </Th> <Td> 1, 97 </Td> <Td> </Td> <Td> 98 </Td> <Td> </Td> <Td> deficient, prime </Td> </Tr> <Tr> <Th> 98 </Th> <Td> 1, 2, 7, 14, 49, 98 </Td> <Td> 6 </Td> <Td> 171 </Td> <Td> 73 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 99 </Th> <Td> 1, 3, 9, 11, 33, 99 </Td> <Td> 6 </Td> <Td> 156 </Td> <Td> 57 </Td> <Td> deficient, composite </Td> </Tr> <Tr> <Th> 100 </Th> <Td> 1, 2, 4, 5, 10, 20, 25, 50, 100 </Td> <Td> 9 </Td> <Td> 217 </Td> <Td> 117 </Td> <Td> abundant, composite </Td> </Tr> </Table> <Tr> <Th> n </Th> <Th> Divisors </Th> <Th> d (n) </Th> <Th> σ (n) </Th> <Th> s (n) </Th> <Th> Notes </Th> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 0 </Td> <Td> deficient, highly abundant, highly composite </Td> </Tr>

List the whole numbers from 1 to 10 that are divisors of 12 300