| Integers | {..., -3, -2, -1, 0, 1, 2, 3, ...} |
| Positive Integers | {1, 2, 3, 4, 5, ...} |
| Negative Integers | {-1, -2, -3, -4, -5, ...} |
| Odd Numbers | {1, 3, 5, 7, 9, 11, ...} |
| Even Numbers | {0, 2, 4, 6, 8, 10, ...} |
| Consecutive Integers | {n, n+1, n+2, ...}, n = integer |
| Consecutive Even Integers | {n, n+2, n+4, ...}, n = even integer |
| Consecutive Odd Integers | {n, n+2, n+4, ...}, n = odd integer |
| Prime Numbers | {2, 3, 5, 7, 11, 13, ...} |