3855 = (1 + 2) × (34 + 5) + 6 × 7 × 89
3855 = 9 + 87 + 6 × 54 + 32 × 1
3855 = 0^6 + 1^9 − 2^8 + 3^7 + 4^5 + 5^4 + 6^3 + 7^2 + 8^1 + 9^0
3855 divides 16^4 - 1.
Number of edges in an equilateral triangle when n internal equilateral triangles are drawn between the 3n points that divide each side into n+1 equal parts. (n=26)
A regular 3855-gon is constructible with straightedge and compass.
3855 cannot be written as a sum of 3 squares. (Integers that are not a sum of three squares)
Sphenic number: Product of 3 distinct Primes, (List)
Factors: 1, 3, 5, 15, 257, 771, 1285, 3855
Representations, Binary to Hexadecimal:
111100001111_2
12021210_3
330033_4
110410_5
25503_6
14145_7
7417_8
5253_9
2995_11
2293_12
19a7_13
1595_14
1220_15
f0f_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
