1040 = (1 + 2)3 + 4 × 56 + 789
1040 = 9 + 8 × 7 + 654 + 321
1040 = 0^8 + 1^9 − 2^6 + 3^4 − 4^7 + 5^1 + 6^0 + 7^5 + 8^3 + 9^2
1040 = 4^2 + 32^2 = 16^2 + 28^2
1040 divides 79^2 - 1.
a(n) = n*(4*n+1), n = 16
Factors: 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040
Representations, Binary to Hexadecimal:
10000010000_2
1102112_3
100100_4
13130_5
4452_6
3014_7
2020_8
1375_9
866_11
728_12
620_13
544_14
495_15
410_16
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics

