5250 = 12 + 34 × 56 + 78 × 9
5250 = (9 + 87 + 654) × (3 × 2 + 1)
5250 = 0^8 − 1^9 + 2^6 − 3^7 + 4^3 + 5^5 + 6^0 + 7^1 + 8^4 + 9^2
5250 divides 43^20 - 1.
a(n) = n*(2*n+5), n = 50
Number k such that 8^k == -1 (mod k-1).
Factors: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 5250
Five thousand, two hundred fifty
Representations, Binary to Hexadecimal:
1010010000010_2
21012110_3
1102002_4
132000_5
40150_6
21210_7
12202_8
7173_9
3a43_11
3056_12
250b_13
1cb0_14
1850_15
1482_16
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