4015 = 12 × 3 + 4 + 5 × (6 + 789)
4015 = ((9 + 8) × (7 × 6 + 5) + 4) × (3 + 2) × 1
4015 = 0^2 − 1^6 − 2^8 − 3^9 + 4^7 + 5^5 + 6^1 + 7^3 + 8^4 + 9^0
Number k such that 9^k + 8^(k-1) is prime.
Sphenic number: Product of 3 distinct Primes, (List)
Factors: 1, 5, 11, 55, 73, 365, 803, 4015
Representations, Binary to Hexadecimal:
111110101111_2
12111201_3
332233_4
112030_5
30331_6
14464_7
7657_8
5451_9
3020_11
23a7_12
1a9b_13
166b_14
12ca_15
faf_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
