20
203 = 113 + 123 +133 + 143
220 - 1 = 3 * 5 * 5 * 11 * 31 * 41
20 = 4 ×(4 ÷ 4 + 4) = (44 − 4) ÷ √4
1020 - 1 = 3 * 3 * 11 * 41 * 101 * 271 * 3541 * 9091 * 27961
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
20
203 = 113 + 123 +133 + 143
220 - 1 = 3 * 5 * 5 * 11 * 31 * 41
20 = 4 ×(4 ÷ 4 + 4) = (44 − 4) ÷ √4
1020 - 1 = 3 * 3 * 11 * 41 * 101 * 271 * 3541 * 9091 * 27961
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics