10125 = 3 × 3 × 3 × 3 × 5 × 5 × 5
10125 = 18^2 + 99^2 = 45^2 + 90^2
10125 divides 82^20 - 1.
Achilles number - powerful but imperfect
Factors: 1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 3375, 10125
Representations, Binary to Hexadecimal:
10011110001101_2
111220000_3
2132031_4
311000_5
114513_6
41343_7
23615_8
14800_9
7675_11
5a39_12
47bb_13
3993_14
3000_15
278d_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
