495 = 12 + 3 + 456 + 7 + 8 + 9
495 = 98 + 7 + 65 + 4 + 321
495 = 0^4 − 1^6 + 2^8 − 3^9 + 4^7 + 5^5 + 6^1 + 7^3 + 8^2 + 9^0
Binomial coefficient binomial(n,4) = n*(n-1)*(n-2)*(n-3)/24, n = 12
a(n) = n*(4*n+1), n = 11
Factors: 1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495
Representations, Binary to Hexadecimal:
111101111_2
200100_3
13233_4
3440_5
2143_6
1305_7
757_8
610_9
410_11
353_12
2c1_13
275_14
230_15
1ef_16
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