4020 = 12 + 3 × 45 + (6 + 7) × 8 × 9
4020 = 9 + 87 + 654 × 3 × 2 × 1
4020 = 0^6 + 1^8 + 2^3 − 3^9 + 4^7 + 5^5 + 6^0 + 7^1 + 8^4 + 9^2
Factors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020
Representations, Binary to Hexadecimal:
111110110100_2
12111220_3
332310_4
112040_5
30340_6
14502_7
7664_8
5456_9
3025_11
23b0_12
1aa3_13
1672_14
12d0_15
fb4_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
