9723 = 1 + 2 + 34 + 567 × (8 + 9)
9723 = 98 × (76 + 5 × 4 + 3) + 21
9723 = 0^6 − 1^7 − 2^9 + 3^8 + 4^5 + 5^2 + 6^3 + 7^4 + 8^1 + 9^0
a(n) = n*(11*n+1)/2. n = 42
Sphenic number: Product of 3 distinct Primes, (List)
Factors: 1, 3, 7, 21, 463, 1389, 3241, 9723
Representations, Binary to Hexadecimal:
10010111111011_2
111100010_3
2113323_4
302343_5
113003_6
40230_7
22773_8
14303_9
733a_11
5763_12
456c_13
3787_14
2d33_15
25fb_16
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