864 = 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3
864 = 12 + 3 + 4 + 56 + 789
864 = 9 + 8 + 7 × 6 × 5 × 4 + 3 × 2 + 1
864 = 0^5 + 1^9 + 2^7 − 3^8 + 4^6 + 5^1 + 6^0 + 7^4 + 8^2 + 9^3
a(n) = 6*n^2.
Sum of three consecutive pentagonal numbers
Factors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864
Representations, Binary to Hexadecimal:
1101100000_2
1012000_3
31200_4
11424_5
4000_6
2343_7
1540_8
1160_9
716_11
600_12
516_13
45a_14
3c9_15
360_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics

