4080 = 2 × 2 × 2 × 2 × 3 × 5 × 17
4080 = 12 + 3456 + 7 × 89
4080 = (98 + 7 + 65) × 4 × 3 × 2 × 1
4080 = 0^7 − 1^8 − 2^0 − 3^9 + 4^5 + 5^6 + 6^2 + 7^1 + 8^3 + 9^4
4080 cannot be written as a sum of 3 squares. (Integers that are not a sum of three squares)
4080 divides 13^4 - 1.
A regular 4080-gon is constructible with straightedge and compass.
Factors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080
Representations, Binary to Hexadecimal:
111111110000_2
12121010_3
333300_4
112310_5
30520_6
14616_7
7760_8
5533_9
307a_11
2440_12
1b1b_13
16b6_14
1320_15
ff0_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
